Gate Valves Ball Valves Check Valves Butterfly Valves Globe Valves Fittings & Flanges Materials Reference

Gate Valves

API 600 · API 603 · API 602 · ASME B16.34 · BS 1414

Bolted bonnet, rising stem, flexible or solid wedge gate valves for full-bore isolation in pipeline, refinery, and process applications. Available with OS&Y (outside screw and yoke) configuration, handwheel or gear operated, with optional bypass and drain connections.

Dimensions and Ratings

Size range2" through 24" (DN50 to DN600)
Pressure classes150, 300, 600, 900, 1500, 2500
Face-to-faceASME B16.10
End connectionsFlanged (RF, RTJ), butt-weld (BW)
BoreFull bore, reduced bore
OperationHandwheel, gear, pneumatic, electric

Testing and Compliance

Shell testPer API 598 at 1.5x rated pressure
Seat testPer API 598 at 1.1x rated pressure
NDTRT, UT, MT, PT per ASME V
DocumentationMTR (EN 10204 3.1), hydro cert, dim report
MarkingPer MSS SP-25
NACEMR0175 / ISO 15156 (sour service, on request)

Ball Valves

API 6D · API 608 · ASME B16.34 · BS 5351

Floating ball and trunnion-mounted ball valves for pipeline isolation, process shut-off, and emergency shutdown (ESD) service. Side-entry and top-entry designs with fire-safe certification per API 607 and anti-static device. Double block and bleed capability on trunnion designs.

Dimensions and Ratings

Size range2" through 24" (DN50 to DN600)
Pressure classes150, 300, 600, 900, 1500
DesignFloating ball, trunnion mounted
End connectionsFlanged (RF, RTJ), butt-weld (BW)
BoreFull bore, reduced bore
OperationLever, gear, pneumatic, electric, hydraulic

Testing and Compliance

Shell testPer API 598 at 1.5x rated pressure
Seat testPer API 598 (low pressure gas and high pressure)
Fire safeAPI 607, 6th/7th edition (on request)
Fugitive emissionsISO 15848-1 (on request)
Anti-staticPer API 608, grounding spring
NACEMR0175 / ISO 15156 (sour service, on request)

Check Valves

API 6D · API 594 · ASME B16.34 · BS 1868

Swing check, dual-plate (wafer), tilting disc, and piston check valves for preventing reverse flow in pipeline and process systems. Designs optimized for low pressure drop and fast closure to prevent water hammer.

Dimensions and Ratings

Size range2" through 24" (DN50 to DN600)
Pressure classes150, 300, 600, 900, 1500, 2500
Design typesSwing, dual-plate, tilting disc, piston
End connectionsFlanged (RF, RTJ), butt-weld, wafer (lug)
Face-to-faceASME B16.10 / API 594
Disc materialMatching body or hard-faced (Stellite 6)

Testing and Compliance

Shell testPer API 598 at 1.5x rated pressure
Seat testPer API 598 (closure test, back pressure)
NDTRT, UT, MT, PT per ASME V
DocumentationMTR (EN 10204 3.1), hydro cert, dim report
MarkingPer MSS SP-25
NACEMR0175 / ISO 15156 (on request)

Butterfly Valves

API 609 · AWWA C504 · MSS SP-67 · ASME B16.34

Double-offset and triple-offset butterfly valves for isolation and throttling in process, water, and HVAC applications. Resilient-seated and metal-seated options for temperature extremes and abrasive media. Quarter-turn operation provides fast actuation with minimal torque.

Dimensions and Ratings

Size range2" through 24" (DN50 to DN600)
Pressure classes150, 300, 600
Design typesDouble offset, triple offset (high performance)
End connectionsWafer, lug, flanged, butt-weld
Seat typesResilient (EPDM, NBR, FKM), metal (Stellite, Inconel)
OperationLever, gear, pneumatic, electric

Testing and Compliance

Shell testPer API 598 at 1.5x rated pressure
Seat testPer API 598 (bi-directional on request)
Fire safeAPI 607 (triple-offset designs)
Torque testingManufacturer certified break/run torque values
AWWAC504 for water service applications
DocumentationMTR, hydro cert, torque values, dim report

Globe Valves

API 602 · API 623 · ASME B16.34 · BS 1873

Bolted bonnet globe valves for throttling, flow regulation, and positive shut-off in high-pressure steam, condensate, and process piping. Available in straight (T-pattern), angle (Y-pattern), and needle configurations with optional stellite-faced disc and seat for extended service life.

Dimensions and Ratings

Size range2" through 16" (DN50 to DN400)
Pressure classes150, 300, 600, 900, 1500, 2500
Design patternsT-pattern, Y-pattern, angle
End connectionsFlanged (RF, RTJ), butt-weld (BW)
StemRising stem, OS&Y, bolted bonnet
OperationHandwheel, gear, pneumatic, electric

Testing and Compliance

Shell testPer API 598 at 1.5x rated pressure
Seat testPer API 598 at 1.1x rated pressure
NDTRT, UT, MT, PT per ASME V
Hard facingStellite 6 disc and seat (standard for 600# and above)
MarkingPer MSS SP-25
NACEMR0175 / ISO 15156 (on request)

Fittings and Flanges

ASME B16.5 · B16.9 · B16.11 · B16.47 · B16.28 · MSS SP-75

Forged steel flanges, butt-weld fittings, and socket-weld/threaded fittings to complement our valve product line. All fittings are sourced from the same certified manufacturers and supplied with matching MTR documentation and heat traceability.

Flanges (ASME B16.5 / B16.47)

TypesWeld neck, slip-on, blind, socket weld, threaded, lap joint
Size range1/2" through 24" (B16.5), 26" through 60" (B16.47)
Pressure classes150, 300, 600, 900, 1500, 2500
Face typesRaised face (RF), ring-type joint (RTJ), flat face (FF)
MaterialsA105, A182 F304/316/F11/F22/F51, A350 LF2

Butt-Weld Fittings (ASME B16.9)

TypesElbow (45/90/180), tee, reducer, cap, stub end
Size range1/2" through 24"
Wall thicknessSchedule 40 (STD), 80 (XS), 160, XXS
RadiusLong radius (1.5D), short radius (1D)
MaterialsA234 WPB, WP304/316, WP11/22, WP91

Materials Reference

We stock and supply valves in the following body and trim materials. Specialty alloys are available on request. All materials are supplied with full mill certification and heat number traceability per EN 10204 3.1.

Material Grade ASTM Designation Description Typical Applications
WCB A216 WCB Carbon steel, standard service General process, oil and gas, water, steam to 800F
LCB A352 LCB Low-temperature carbon steel Cryogenic and cold-climate service to -50F
CF8M A351 CF8M Stainless steel 316 Chemical, pharmaceutical, food and beverage, marine
CF8 A351 CF8 Stainless steel 304 General corrosion resistance, water treatment
WC6 A217 WC6 1.25Cr-0.5Mo chrome-moly High-temperature steam, power generation, refinery
WC9 A217 WC9 2.25Cr-1Mo chrome-moly High-temperature, high-pressure steam service
C12A A217 C12A 9Cr-1Mo-V (P91) Supercritical steam, advanced power generation
Duplex A995 4A/5A Duplex stainless steel Offshore, desalination, chemical, high chloride
Super Duplex A995 6A Super duplex stainless steel Subsea, aggressive chemical, extreme corrosion
Hastelloy C-276 A494 CW-12MW Nickel-molybdenum-chromium alloy Severe chemical service, flue gas desulfurization
Inconel 625 A494 CY-40 Nickel-chromium-molybdenum alloy High temperature, oxidation, marine exhaust, nuclear
Monel 400 A494 M35-1 Nickel-copper alloy Hydrofluoric acid service, seawater, marine

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Location Houston, Texas
Response Within 24 hours, typically same business day
Serving Distributors, mechanical contractors, EPC firms, and end users across the United States