Quality and Heavy-Duty Engineering Equipment

BOS Equipment’s products are widely used in Chemical and Process industries, Refineries, Petrochemicals and Fertilizer Plants, Pharmaceuticals, Oil Exploration, Power Plants, Food and Beverage industries, Effluent Treatment and Sewerage Plants, Water Treatment, Cooling Water and Water Supply Plants, Mining industries etc.

Promatic Actuator – Pneumatic

• C45 – C160 equivalent sized actuators stocked
• up to 798Nm double acting @ 6 bar
• Double Acting or Spring Return available
• Sized to requirements / application

• Download PDF for more details

Lapar Electric Actuators

• 50Nm, 100Nm and 250Nm off the shelf
• 230v AC and 24v DC
• 8 sided star drive connection.
• Standard ISO F05/F07/F10 Mountings

Item 3

Alpha Actuator – Pneumatic

• Work up to 10 bar max.
• 9mm – 27mm Squares
• F03 – F12 Bolt Patterns
• Double Acting or Spring Return

• Download PDF for more details

Item 4

Alph-Air Actuator – Pneumatic

• Small and Compact
• 9mm Square
• F04 Bolt Pattern
• Flow Indicator on Top

Item 5

Springs to convert actuators from double acting to spring return

• Refer to promatic actuator PDF above

Item 6

Squares to adapt actuators to valves

• 27×22, 27×17
• 22×17, 22×14
• 17×14, 17×11
• 14×11, 14×9
• 11×9

Item 7

Limit Switch Boxes

• for use with alpha actuators above
• mounting holes and screws for direct fitting

Item 8

iTorq Compact Actuator – Electric

• 20Nm – 80Nm
• Read PDF for more info

Item 9

iTorq Actuator – Electric

• 160Nm – 9000Nm
• F07 – F30 bolt mountings
• Manual Override
• Read PDF for more info

Item 10

Spring return electric actuator

• 15Nm
• open/close
• square drive from 10mm to 16mm
• round drive from 10mm to 19mm

Single Sphere Flexible Joint / Rubber Coupling / Bellows

• Sizes 1-1/4″ – 8″ (32mm – 200mm), larger sizes on indent
• EPDM standard others available on indent (NIT)
• 16 Bar
• T/E off the shelf
• PN16 / ANSI 150 on indent

Double Sphere Flexible Joint / Rubber Coupling / Bellows

• T/E available other patterns on indent

Double Sphere Flexible Joint / Rubber Coupling / Bellows
BSP version

• Up to 50mm BSP
• 16 Bar

AB12 Gauge Mounts

• Available in Undrilled flanged or BSP

Item 1
L8S / L8LS
Dome ½” ¾” 1” 2”
Dome/PTFE ½” ¾” 1”
LEVER ¾”

Item 2

L9S / L9LS
Dome 2”
LEVER ½” 1” 1 ¼” 1 ½” 2”

Item 3

L9BS / L9LBS
LEVER ½” ¾” 1” 1 ¼” 1 ½”

Item 4

L9B / L9LB
DOME ¾” 1” 1 ½” 2”
DOME/PTFE 1 ¼” 2”
LEVER ½” ¾”

Item 5

L3 / L3L
DOME ½” ¾” 1”
DOME PTFE ½” ¾” 1” 1 ¼” 1 ½” 2”
LEVER ½” 1” 1 ¼” 1 ½” 2”
LEVER/PTFE ½” ¾” 1”

Item 6

Ring Pull Relief Valves
• Soft Seated
• Sizes 1/4″, 1/2″, 3/4″ BSP
• 50-200 psi (other pressures – enquire)
• Ideal for Compressors
1/4″  1/2″  3/4″

Item 7

Birkett 716
• Soft and Metal Seated
• Sizes 1/2″ – 2″

Item 8

Watson McDaniel Bypass Relief Valve
• For frequent opening and to return media back to the source
• Female inlet/outlet
• Sizes 1/2″ – 3″ (stocked up to 1″)

Item 9

500 SERIES
0.5 – 150 psi
1/8″ to 11/4″
Body – Aluminium, Brass, Stainless Steel
Seat – Buna N, Viton, Neoprene, EPR, Silicon, PTFE

HP500 SERIES
150 – 450 psi
1/4″ to 1/2″

Item 10

5100 SERIES
0 – 2400 psi
1/8″ to 11/4″
Body – Aluminium, Brass, carbon steel, Stainless Steel
Seat – Buna N, Viton, Neoprene, PTFE

Item 1

FLT-16 Float/Thermostatic Steam Trap
• Sizes 1/2″ – 3/4″
• 4.5, 10, 14 bar models
• Max. Allowable Pressure – 16 bar
• Max. Allowable Temperature – 250 degrees C
• Max. Operating Pressure – 14 bar
• Max. Operating Temperature – 198 degrees C

1/2″  3/4″

Item 2

FLT-17 HC Float/Thermostatic Steam Trap
• Sizes 1″
• 4.5, 10, 14 bar models
• Max. Allowable Pressure – 16 bar
• Max. Allowable Temperat0ure – 250 degrees C
• Max. Operating Pressure – 14 bar
• Max. Operating Temperature – 198 degrees C

1”

Item 3

Waston McDaniel Inverted Bucket Trap
• Sizes 1/2″ – 1″ stocked *11/4″ and *11/2″ indent basis
• Max. Allowable Pressure – 250 psi
• Max. Allowable Temperature – 232 degrees C
• Water Hammer resistant
• All stainless steel internal parts, hardened valve and seat

1/2″  3/4″  1″

Item 4

Waston McDaniel Quick Change Connectors & Traps
• Sizes 1/2″ – 1″ Stainless Steel Construction
• 7 different bases with and without strainers/blowdown ability
• 6 trap modules – thermodynamic top mount, thermodynamic side mount, thermostatic, bi-metallic, inverted bucket, float & thermostatic

Item 5

Waston McDaniel Thermostatic Clean Steam Trap FDA400
• Sizes 1/2″ – 3/4″ Tri-clamp
• Stainless Steel Construction
• Operating pressure 90 psi, Allowable 145 psi @ 170’C

Item 6

Waston McDaniel Thermostatic Clean Steam Trap FDA500
• Sizes 1/2″ – 1″ Tri-clamp, NPT, Tube
• Stainless Steel Construction
• Operating pressure 90 psi, Allowable 145 psi @ 170’C

Item 7

Waston McDaniel Thermostatic Clean Steam Trap FDA600
• Sizes 1/2″ – 1″ Tri-clamp, NPT, Tube
• Stainless Steel Construction
• Operating pressure 110 psi, Allowable 145 psi @ 170’C

Item 8

Waston McDaniel Thermodynamic Clean Steam Trap FDA800
• Sizes 1/2″ Tri-clamp, NPT, Tube
• Stainless Steel Construction
• Operating pressure 150 psi, Allowable 230 psi @ 450’C

Item 9

DT40 – Thermodynamic Steam Trap
• Sizes 1/2″ – 3/4″
• Max. Allowable Pressure – 63 bar
• Max. Allowable Temperature – 400 degrees C
• Max. Operating Pressure – 40 bar
• Max. Operating Temperature – 350 degrees C

Item 10

DT42S – Thermodynamic Steam Trap with Strainer
• Sizes 1/2″ – 1″
• Max. Allowable Pressure – 63 bar
• Max. Allowable Temperature – 400 degrees C
• Max. Operating Pressure – 42 bar
• Max. Operating Temperature – 400 degrees C

Item 11

TH13A – Thermostatic Steam Trap and Air Eliminator
• Sizes 1/2″
• Max. Allowable Pressure – 16 bar
• Max. Allowable Temperature – 260 degrees C
• Max. Operating Pressure – 13 bar
• Max. Operating Temperature – 200 degrees C

Item 12

TSS22 – S/S Thermostatic Steam Trap and Air Eliminator
• Sizes 1/2″
• Max. Allowable Pressure – 32 bar
• Max. Allowable Temperature – 385 degrees C
• Max. Operating Pressure – 22 bar
• Max. Operating Temperature – 250 degrees C

Item 13

VB21 – Vacuum Breaker
• Sizes 1/2″
• Max. Operating Pressure – 21 bar
• Max. Operating Temperature – 250 degrees C

Item 14

DF15 – Noise Diffuser
• Sizes 1/2″
• Max. Operating Pressure – 40 bar
• Max. Operating Temperature – 250 degrees C

Item 15

SW12 – Single Window Sight Glass
• Sizes 1/2″ – 1″
• Max. Operating Pressure – 12 bar
• Max. Operating Temperature – 150 degrees C

Item 16

SW12K – Single Window Sight Glass
• One size fits 1/2″ to 1″

Item 17

DWCI – Double Window Cast Iron Sight Glass
• Sizes 1/2″ – 2″
• Max. Operating Pressure – 7 bar
• Max. Operating Temperature – 220 degrees C

Item 18

SCK – Sight Checker
• Sizes 1/2″ – 1″
• Max. Operating Pressure – 10 bar
• Max. Operating Temperature – 150 degrees C

Item 19

SCKK – Sight Checker Glass/Gaskets
• One size for 1/2″ & 3/4″
• One size for 1

GO Regulator is a leading global designer and manufacturer of standardized and specialty pressure regulators, diaphragm valves, and filters to the analytical, instrumentation, petrochemical, oil & gas, and specialty gas industries. GO regulators and valves are designed to fulfil a wide range of applications, controlling pressure while accommodating low to moderate flow rates of many gases and liquids. Virtually all requirements involved in pressure regulator applications can be fulfilled with approximately fifty GO fluid control products and associated optional features.
The GO line includes single stage, back pressure, dome loaded, high purity, liquid and gas pressure regulators, and filters for process analyzers.

Bi-Metal Thermometer 100 mm Bottom Entry

Model 4SSA, 100 mm, bottom entry, stainless steel bimetal thermometer. For harsh conditions. Accuracy ±1 %. Liquid filling of head available. Fast delivery.

Temperature Gauge 100 mm VP

Model 6/3400. 100 mm, vapour pressure thermometer for remote measurement. Accuracy ±1.5 %. Fast response. Fast delivery.

Temperature Gauge SS 100 mm VP

Model 6SSA. 100 mm, all stainless steel, vapour pressure thermometer for remote measurement. Accuracy ±1.5 %. Fast response. Liquid filling of head available. Fast delivery.

Temperature Gauge 150 mm Fast Response

Model 6SSB fast response 150 mm, all stainless steel vapour pressure thermometer for remote measurement. Accuracy ±1.5 % of scale range. Liquid filling of head available. Urgent delivery available.

Bi-Metal Thermometer 63 mm

Model 3CC, 63 mm, coaxial bimetal thermometer. Accuracy ±1 %. Stock items are shipped same day.

Bi-Metal Thermometer Rear Entry 63 mm

Model 3CW, 63 mm, stainless steel bimetal thermometer.For harsh conditions. Accuracy ±1 %. Liquid filling of head available.

Bi-Metal Thermometer Rear Entry 100 mm

Model 3SSA, 100 mm, rear-entry stainless steel bimetal thermometer. For harsh conditions. Accuracy ±1 %. Liquid filling of head available. Fast delivery.

Bi-Metal Thermometer Rear Entry 150 mm

Model 3SSB, 150 mm, rear entry stainless steel, sealed bimetal thermometer. For harsh conditions. Accuracy ±1 %. Liquid filling of head available. Fast delivery.

Bi-Metal Thermometer 100 mm Bottom Entry

Model 4SSA, 100 mm, bottom entry, stainless steel bimetal thermometer. For harsh conditions. Accuracy ±1 %. Liquid filling of head available. Fast delivery.

BiMetal Thermometer 150 mm Bottom Entry

Model 4SSB, 150 mm, bottom entry stainless steel, sealed bimetal thermometer. For harsh conditions. Accuracy ±1 %. Liquid filling of head available. Fast delivery.

Temperature Gauge 150 mm VP

Model 6/3600. 150 mm, vapour pressure thermometer for remote measurement. Accuracy ±1.5 % of scale range. Fast response. Fast delivery.

Temperature Gauge 100 mm VP

Model 6A. 100 mm, vapour pressure thermometer for remote measurement. Accuracy ±1.5 % of scale range. Fast response of readings. Quick delivery.

Milk Tank Temperature Gauge 100 mm

Model 6P. 100 mm, vapour pressure thermometer for remote measurement. Accuracy ±1.5 % of scale range. Fast response. For use in milk tankers and vats. Stock items are shipped same day.

AM1762-12 Secondary SPRT

Use this 25 ohm secondary SPRT in the calibration lab to achieve excellent stability.
100 ohm SPRTs offer more sensitivity or achieve a better resolution for the same amount of temperature change while 25 ohm SPRTs offer excellent durability and stability over time. Temperature range: -200 °C to 670 °C
Inconel sheath, 300 mm x 6.35 mm Customized dimensions available

AM1762-20 Secondary SPRT

Use this 25 ohm SPRT in the calibration lab for excellent stability. Inconel sheath, 500 mm x 6.35 mm
Temperature range: -200 °C to 670 °C
If you are indifferent between 25 ohm and 100 ohm, consider this 25 ohm SPRT – It is likely to be more stable in the long term. Customized dimensions available.

AM1730-9 Secondary Reference PRT

Affordable reference probe for precision temperature measurement. Temperature range: -60 °C to 300 °C Inconel sheath 230 mm x 4.75 mm Durable and shock resistance Rtp/R0 100, Alpha 0.003925 Customized dimensions available

Parallel Raised Face Flanged Thermowell

SD031. Parallel stem raised face, flanged thermowell.

Tapered Stem RJT Ring Flanged Thermowell

SD033. Tapered stem RJT ring joint type flanged thermowell.

Thermowell with Stepped Stem

SD034. Stepped probe stem thermowell for a faster response time.

Thermowell Tapered c/w Lagging Extension

SD035. Bar Stock Thermowell with lagging extension for extra length required when the process has insulation or lagging.

AM8040 Single Channel Thermometer

High accuracy thermometer for use with SPRT or precision PRT temperature probe. Resolution 0.001 °C Range: -200 to 850 °C Data storage into USB flash disk Wireless data transfer to PC

Thermowell Tapered Stem

SD036. Bar Stock Thermowell with tapered stem for faster response times, manufactured from a single piece of metal so there are no welds.

AM8060 Dual Channel Thermometer

AccuMac’s high accuracy thermometer for use with SPRT or precision PRT temperature probes. Resolution 0.001 °C Range: -200 to 850 °C Reads 2 channels and the difference simultaneously Data storage into USB flash disk Wireless data transfer to PC

AM1730-12 Secondary Reference PRT

Affordable reference probe for precision temperature measurement. Temperature range: -200 °C to 420 °C Inconel sheath 300 mm x 6.35 mm Durable and shock resistance Rtp/R0 100, Alpha 0.003925 Customized dimensions available

Weld in Connection Bar Stock Thermowell

SD037 comes with a weld in connection so it can be welded into the process. This bar stock thermowell is tapered for faster response times.

Tapered Raised Face Flanged Thermowell

SD038. Tapered stem, raised face, flanged thermowell, suitable for the oil and gas industry.

AM1210 Reference Standard Type S T/C

AM1210 Reference Standard Type S Thermocouple
6 mm x 500 mm Quartz or Alumina sheath Reference grade platinum and platinum-rhodium alloy Temperature range of 0 °C to 1300 °C with short term stability of 0.2 °C
The very best quality for use in Calibration and Primary labs to calibrate industrial thermocouples Carry Case included

Thermowell Parallel Stem

SD039. Bar Stock Thermowell with parallel probe stem.

AM1110-12 Type S Precision Thermocouple

6.35 mm x 300 mm Alumina sheath – customised lengths available Reference grade Platinum and Platinum vs. 10% Rhodium alloys.
Affordable with a wide range of applications e.g. dry-wells and furnaces.

Triclover Process Connection Reduced Tip

SD041. RTD probe with triclover fitting which allows easy removal and cleaning. Suitable for the food and beverage facilities. View more for options and to customise this PT100.

RJT Process Connection Reduced Tip

SD044. Temperature probe with RJT process fitting for easy removal and cleaning. Suitable for food and beverage facilities. View more for options and to customise this PT100.

K Compost Probe with “T” Handle

Avoid spontaneous combustion in compost by monitoring any heat generated using this 1.5 metre, ½” diameter, insertion temperature probe / thermometer. Type K thermocouple is standard. This probe can be customised to suit. Rounded or pointed tips available.

Bitumen Probe, K Type c/w T-bar Handle

390 mm x 8 mm pointed tip insertion probe for bitumen testing. Type K thermocouple. Can be customised to suit application. View more for further options.

¼” dia RTD Probe with Head

SD003RTD. This RTD can be customised. View more to select the many options for this PT100.

6 mm dia Thermocouple Probe c/w Head

SD003TC. View more to select from the multiple options available for this thermocouple. Standard is Type K, 150 mm long c/w small head.

¼” Basic RTD c/w 1 m Lead

SD050RTD. View more to select options. Class A, RTD element and ¼” stainless steel diameter probe. Select 2,3 or 4 wires.

6 mm MIMS basic T/C with 1 m Lead

SD050TC View more to customise this probe. 6 mm mineral-insulated metal sheath (MIMS) thermocouple.

6 mm dia. T/C c/w Standard Plug

SD051. View more to customise this probe. 6 mm diameter, stainless steel probe. Available in Type K or Type J thermocouple wire.

Ceramic Pottery Probe c/w Terminal Block

SD056. View more to customise this probe. High temperature thermocouple for use up to 1600 °C. Suitable for pottery kiln applications.

AM1850-25 SPRT

Affordable Standard Platinum Resistance Thermometer (SPRT) Extremely low drift rate – Used by Primary Laboratories the world over. Inconel sheath, 6.35 mm x 480 mm Probe Temperature range: -200 °C to 500 °C
Alpha 0.003925, Rtp/R0 25 Extremely stable.

AM1850-100 SPRT

Affordable Standard Platinum Resistance Thermometer (SPRT) Extremely low drift rate – Used by Primary Laboratories the world over. Inconel sheath, 6.35 mm x 480 mm Probe Temperature range: -200 °C to 500 °C
Alpha 0.003925,
Rtp/R0 100 achieves excellent sensitivity

AM1860-25 SPRT

World class yet affordable Standard Platinum Resistance Thermometer (SPRT) Extremely low drift rate – Used by Primary Laboratories the world over. Inconel sheath, 6.35 mm x 500 mm Probe Temperature range: -200 °C to 670 °C
Alpha 0.003925, Rtp/R0 25

3 mm MIMS Thermocouple with Mini Plug

SD148. View more to select options. Thermocouple c/w 3 mm diameter, minerally insulated probe. Select Type J or K.

AM1950 SPRT

A world class Standard Platinum Resistance Thermometer (SPRT) Discover why Primary Laboratories the world over are buying AccuMac’s highest quality probes. Extremely low drift rate
Quartz sheath, 7 mm x 480 mm Probe Temperature range: -200 °C to 500 °C
Alpha 0.003925, Rtp/R0 25 W(Ga)>=1.11807 W(Hg)<=0.844235

Furnace High Temperature Thermocouple

SD018. High temperature thermocouple, for use in furnaces, individually customised on request. Choose Type K for temperatures up to 1372 °C and Type R up to 1600 °C.

AM1860-100 SPRT

World class yet surprisingly affordable Standard Platinum Resistance Thermometer (SPRT). Extremely low drift rate – Used by Primary Laboratories the world over.
Inconel sheath, 6.35 mm x 500 mm Probe Temperature range: -200 °C to 670 °C
Alpha 0.003925, Rtp/R0 100

Pressure Gauge Safety Pattern 63 mm

Model 3063SP, 63 mm safety pattern gauge.Class 1.6. The case is 304 stainless steel and the wetted parts are copper alloy. Blow out back.

Pressure Gauge SS Low Pressure 100 mm

Model 100CAP, 100 mm, Class 2, low pressure capsule gauge, SS case. Fast delivery.

Pressure Gauge SS 63 mm

Model 3025 63 mm Class 1.6 all stainless steel. For harsh applications. Stock ranges shipped same day to NZ and Australia.

Pressure Gauge 63 mm SS case

Model 3063, 63 mm dial diameter, Class 1.6. Stainless steel case with copper alloy wetted parts. Stock ranges shipped same day.

Pressure Gauge SS 100 mm

Model 3100, 100 mm, Class 1. All stainless steel – for vigorous conditions. Able to be customised. Choose range, thread, scale units – including refrigerant scales.

Pressure Gauge Snubbers

View more for prices, sizes and choice of brass or stainless steel. Pressure snubbers eliminate pressure instrument failure due to hydraulic or pneumatic shock.

Pigtails Siphons U Tubes

To order view more for selection options and prices.
Pressure gauge pigtail siphons are used to protect the pressure gauge from the effect of hot pressure media such as steam and systems that contain superheated vapour. U Type Siphons are suitable for vertical pipe mounting.
Coil / Pigtail Siphons are suitable for horizontal pipe mounting. A gauge cock is generally connected between the pressure gauge and siphon for isolation. Contact Teltherm for further options and technical assistance.

Pressure Limiting Valves

View more to select the range and for the price to be updated. The Chemquip Limiting Valve seals out pressure rises above a preset value automatically. It shuts off the instrument line automatically when over pressure occurs. It automatically restores the instrument line when pressure falls below the preset value.

Pressure Manifolds from Bulk

BULK instrument manifolds are manufactured in 316 stainless steel or in any machinable metals including: Carbon Steel, Monel, Inconel Titanium and Hastelloy C. A wide range of accessories are also available. Consult the attached pdf for full specifications. Contact Teltherm for technical assistance and quotes.

0.5 LITRE GLYCERINE + BOTTLE

Glycerine is used to fill the head of pressure gauges. It reduces pointer pulsation and increases the life of a gauge. Suitable for temperatures warmer than -20 °C and cooler than 70 °C.

Series 123P Adj, Flush Mount Diaphragm

Neo-Dyn’s 123P compact, SS, field adjustable pressure switch for low to mid-range process applications. Adjustable set point ranges from 3 – 2300 psig (increasing).
Hermetically sealed, explosion proof electrical. The flush mount (welded diaphragm) process connection makes this switch ideal for viscous process applications.

Model 0166 Suco Pressure Switch

For the price to be displayed, view more and select normally open (NO), normally closed (NC), the range and thread options.
These compact, small-sized, diaphragm pressure switches are for pneumatic applications and harsh mobile, hydraulic applications that have high system pressures.

Series 100P Adjustable 2.3 to 2800 psig

Use the Series 100P (diaphragm sensor) for pneumatic and low impulse hydraulics up to 3000 psig system pressure. Internal Field Adjustment set point from 5 to 2800 psig (increasing).

Series 100P Hazardous Use, Max 3000 psi

Versatile pressure switch for use in hazardous areas. Series 100P (diaphragm sensor) for pneumatic and low impulse hydraulics up to 3000 psig system The 100P’s explosion proof options are hermetically sealed (NEMA 4X, 7, 9 and 13). Consult the attached pdf.

Series 101P Adj Set Point 5-2800 psi

Series 101P (diaphragm sensor) provides external adjustment. Use for pneumatic and low impulse hydraulics up to 3000 psig system pressure. Weatherproof to NEMA 4 and 13. Consult the attached pdf for range options and specifications.

Threaded Diaphragm Seal Model 350V

Screwed type ½” BSPT process connection, rated 350 bar at 25 °C Diaphragms need to be attached to instrument and filled by Teltherm

23 mm Homogeniser Diaphragm Seal

Homogeniser diaphragm seals are suitable for high pressure food applications – rated to 750 bar. Diaphragms need to be attached to instrument and filled by Teltherm

1.5″ (30 mm) RJT Diaphragm Seal

30 mm RJT (APV) Diaphragm Seals, easy clean with thread fitting. Diaphragms need to be attached to instrument and filled by Teltherm

2″ (40 mm) RJT Diaphragm Seal

40 mm RJT (APV) Diaphragm Seals; easy clean with thread fitting. Diaphragms need to be attached to instrument and filled by Teltherm

1.5″ SMS Male Diaphragm Seal

The SMS diaphragm seal is a screwed type suitable for the food and beverage industries. Diaphragms need to be attached to instrument and filled by Teltherm