Valves and Flowline Products

Valves are an essential part of any wellhead, manifold or fracking system that control the flow and pressure of the contents within the pipe. OTOM Services stocks all popular valve products, and all our valve products meet or exceed the OEM specifications. We have a wide variety of valves available to suit any application.

API 600 Gate Valve

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Gate Valve is a bi-directional shut-off device to open and close the flow of the fluid conveyed by the pipeline. They are well suited for high pressure and high temperatures, and can be used for a wide variety of fluid. A wide choice of shell and trim materials do cover the whole range of applications, from the every-day type of non-corrosive service to critical service with highly aggressive media.

  • Size: 2”~40”

  • Class: 150#~2500#

  • Connection: Flanged / Double flanged / Butt weld

  • Temperature: -60°C to +550°C

  • Body: Carbon steel / Cast Iron / Stainless steel / Bronze

  • Disc: Carbon steel / Stainless steel / Aluminium bronze alloy

  • Design: BS1873/ ASME B16.34

  • Face to face: ASME16.10

  • End connection: ASME:16.5/ ASME B16.25

  • Test: API598 / 600

Globe Valve / Angle Globe Valve

Globe valves are generally characterized for their spherical body with the two halves of the body being separated by an internal baffle.

This has an opening that forms a seat onto which the disc, connected to a stem, can be screwed in (if operated manually) or slid in (if automated) to close the valve.

  • Size: 2”~40”

  • Class: 150#~2500#

  • Connection: Flanged / Double flange / Butt weld

  • Temperature: -60°C to +550°C

  • Body: Carbon steel / Stainless steel / Aluminium bronze alloy

  • Disc: Carbon steel / Stainless steel / Aluminium bronze

  • Design: BS1873/ ASME B16.34

  • Face to face: ASME16.10

  • End connection: ASME:16.5/ ASME B16.25

  • Test: API598

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Swing Check Valve

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Swing check valve rocker and valve connection connected using a spherical structure, so that the valve is in the range of 360 degrees have a certain degree of freedom, there has appropriate trace position compensation.

  • Size: 2”~48”

  • Class: 150Lb~2500Lb

  • Connection: flange/butt weld

  • Temperature: -60°C to +550°C

  • Body: Carbon steel(WCB,LCB) / Stainless steel(CF8,CF8M) / Bronze

  • Disc: WCB+STL / LCB+STL / CF8 / CF8M

  • Design: API 6D / BS 1868

  • Face to face: ASME16.10

  • Flange end: ASME B16.5 / ASME B16.47

  • Butt-welding end: ASME B16.25

  • Test: API6D/API598

Dual Plate Check Valve

Wafer check valve is automatic, in a direction under the action of the fluid pressure, the valve flap open, the reverse flow of fluid by the fluid pressure and the valve flap valve self-acting on the valve seat, which cut off the flow.

  • Size: 2”~40”

  • Class: 150Lb~900Lb

  • Connection: Double flange / Wafer / Lug

  • Temperature: -60°C to +450°C

  • Body: Carbon steel(WCB,LCB) / Stainless steel(CF8,CF8M) / Duplex stainless steel(4A,5A,6A)/ Aluminium bronze / Bronze

  • Disc: F304 / F316 / C95800

  • Spring: SS316 / Inconel 625

  • Design: API 594 / BS 1868

  • Face to face: ASME16.10

  • Flange end: ASME B16.5 / ASME B16.47

  • Test: API598

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Trunnion Mounted Ball Valve

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Trunnion mounted ball valve is a new generation of high-performance ball valve, suitable for long distance pipelines and general industrial pipelines. Designation takes full consideration to its strength, safety, resistant to harsh environments, so it can apply to a variety of corrosive and non-corrosive media.

  • Size: 2”~56”

  • Class: 150Lb~2500Lb

  • Connection: Double flange / Butt weld

  • Operation: Manual / Worm Gear / Pneumatic actuator / Electric actuator

  • Temperature: Soft seat-60°C to +180°C,Metal seat-90°C to +450°C

  • Body: Carbon steel(WCB,LCB,WC6,WC9,C5,A105,LF2) / Stainless steel / Aluminium bronze

  • Stem: A105+ENP / F6A / F304 / F316 / F53 / K500

  • Soft seat: PTFE / RPTFE / PPL / PEEK / Nylon / Devlon

  • Design: API 6D / API608 / ISO 17292

  • Face to face: API6D / ASME16.10

  • Flange end: ASME B16.5 / ASME B16.47 / EN1092-1 / GOST 12815/ MSS-SP44/

  • Butt-welding end: ASME B16.25

  • Test: API598 / API6D

High Performance / Double Offset / Triple Offset Butterfly Valves

High Performance Valve delivers the highest quality and highest value available for meeting today’s demanding requirements.

Available with proven bi-directional fire safe seats for reliable control of flammable and hazardous fluids in petroleum, petrochemical, chemical and other high-risk applications.

  • Size: 2”~80”(DN50~DN2000)

  • Class: 150Lb~600Lb(PN10,PN16,PN25,PN40,PN64,PN100)

  • Connection: Double flange / Butt weld / Lug / Wafer

  • Operation: Worm Gear / Pneumatic actuator / Electric actuator

  • Temperature: -60°C to +550°C

  • Body&Disc: Carbon steel / Stainless steel / Duplex stainless steel / Aluminium bronze alloy

  • Disc Sealing: Laminated sealing / All metal(F316 harding coating) / Soft sealing (PTFE,RPTFE)

  • Body Seat: 13Cr surfaing / SS304 surfacing / SS316 surfacing / STL surfacing

  • Design: API 609

  • Face to face: API609 / ISO5752-20 / ISO5752-13 / DIN F4

  • Flange end: ASME B16.5 / ASME B16.47 / EN1092-1 / GOST 12815 / MSS-SP44

  • Butt-welding end: ASME B16.25

  • Test: API598

  • Fire safe: API607 / API6FA

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2 Piece Flange Ball Valve

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2pc flanged ball valve is full bore designed and suitable for shutoff of various medium without much dirt such as air, gas, water, oil and liquids.

  • Size: 1/2” to 6”

  • Class: 150LBFull Bore

  • Temperature Range: -29°C to 150°C

  • Body Material: Stainless Steel SS316

  • Design: API 594 / BS 1868

  • Face to face: ASME16.10

  • Flange end: ASME B16.5 / ASME B16.47

  • Test: API598

  • Fire-Safe Design According to API 607

3 Piece Flange Ball Valve

A range of 3-piece ball valves designed for ASME B.16.34, General Purpose and specific application requirements combined with seat and seal combinations provide customers with reliability and long service life over a broad pressure range.

  • Size: 1/2” to 4”

  • Class: 150LBFull Bore

  • Temperature Range: -29°C to 150°C

  • Body Material: Stainless Steel SS316

  • Design: API 594 / BS 1868

  • Face to face: ASME16.10

  • Flange end: ASME B16.5 / ASME B16.47

  • Test: API598

  • Fire-Safe Design According to API 607

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Pressure & Safety Relief Valve

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A pressure relief valve is a safety device designed to protect pressurized equipment or system during an overpressure event or in the event of vacuum.The primary purpose of a pressure Relief Valve is the protect the life and property by venting fluid from an over-pressurized system. Vacuum relief valve ensures that vacuum like situation does not occur in the system by allowing air inside the system.

Hammer Union

Available in figures 100 to 2202 and come in 1 to 16 inches sizes up to 20,000 psi CWP. We offer 13 figures, allowing applications for a variety of applications. Sour gas models available in figures 100 to 2202 and come in 1 to 16 inches sizes up to 20,000 psi CWP.

Contact us for special or customization hammer union and crossover.

The material for the Hammer Union conforms to the requirements of ASTM A536 Grade 65-45-12, ASTM A-105 ASTM A29. Our Hammer Union conforms to the following standards: ISO, DNV, and API. The NPT threads conform to ASME B1.20.1

Threaded End (NPT)

  • Figure 100 / 1,000 PSI

  • Figure 200 / 2,000 PSI

  • Figure 206 / 2,000 PSI

  • Figure 400 / 4,000 PSI

  • Figure 602 / 6,000 PSI

  • Figure 1002 / 10,000 PSI

  • Figure 1502 / 15,000 PSI

Butt Weld (BW)

  • Figure 602 / 6,000 PSI

  • Figure 1002 / 10,000 PSI

  • Figure 1502 / 15,000 PSI

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Metal Bellows Expansion Joints

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Metal Bellows Expansion Joints are often used to compensate for thermal expansion of hot piping systems. They are designed to alleviate piping stress, noise and vibration. Stainless steel expansion joints also permit axial compression, elongation, lateral and angular movement. Marine classification type approved model are available upon request.

  • Maximum Working Pressure : 50/150/300 PSI

  • Size: 2inch to 12inch

  • Working Temperature: Up to 850 F

  • Test pressure: Up to 450PSI

  • End Fittings:
    – Flanges: ANSI 16.5
    – Weld Ends: A53/A106

  • Bellows: Stainless Steel

Rubber & PTFE Expansion Joints

Rubber & PTFE Expansion Joints are often used in piping systems under 200F. Our expansion joints come in diameter from 1” to 120” and be with any type of elastomer material. It has excellent ability to isolate sound and vibration and is easy to be installed on piping due to its soft and flexible material. Available in Single, Double and Triple arch models. Non standard designs can be manufactured as required. Marine classification type approved model are available upon request.

  • Size: 2inch to 120inch

  • Maximum Working Pressure : 200 PSI

  • Working Temperature: Up to 200 F

  • Test pressure: Up to 300 PSI

  • End Fittings: Flanges: ANSI 16.5

  • Bellows: EPDM, NITRILE, VITON, NEOPRENE , PTFE / PVC

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Flanges, Pipes & Fitting

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Stockist for a variety of flange, fitting, and valve types that range in nominal sizes from ½” up to 72″ and weight classes that range from 150# (lbs.) to 2,500# (lbs.). We offer both domestic and imported grades of material to give you options when budgeting your respective project.

Pipe from 1/4″ to 36″ diameter, from schedule 10 to XXS, in all grades of material Plug, ball, gate, globe, check, and butterfly valves in all grades of material.

We specialize in metric and hard to find items Orifice flanges with plates if needed RTJ (Ring Type Joint) facing Reducing flanges with hubs

  • API, MSS, AWWA
  • Spectacle blinds
  • Long weld neck flanges
  • Metric flanges and spacers
  • Large OD (Outside Diameter) flanges
  • Plate flanges
  • Standard slip-on, blind, weld neck, socket weld, threaded,
    and lap joint flanges.

Metallic Ring Joint Gaskets

Metallic Ring Joint Gaskets are suitable for high pressure and high temperature applications. The Joint Gaskets are available in R, RX, BX styles and in oval/octagonal profiles. Our ring gaskets are in accordance with specific tolerances on CNC machines and also fully comply with the ASME B16.20 standard and the API spec 6A requirements (where applicable). Monogrammed Ring Joint Gaskets as per API- 6A are also available.

Ring Joint Gaskets are precision machined, metal gaskets suitable for high pressure and high temperature applications. They are manufactured in strict accordance with API 6A, API 17D, and ASME B16.20. These high pressure gaskets come in a variety of types, sizes, and material combinations.

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