Gate Valves

Complete series · API 600/602 · Bolted & Pressure Seal

SERIES 100 · BOLTED BONNET

Bolted Bonnet Gate Valve

Class 150 ~ 600 | NPS 1/2″ ~ 48″

Design: API 600, API 603, BS 1414, ISO 10434 | Face-to-Face ASME B16.10 | Flanged ASME B16.5 / ASME B16.47 | Butt-weld ASME B16.25 | Test API 598

WedgeFlexible / Solid
BonnetBolted, OS&Y
BackseatRepack under pressure
StemACME thread, blow-out proof

Body Materials: WCB, LCB, WC6, WC9, CF8, CF8M, duplex, etc.

Trim options: 13Cr, Stellite, 304, 316, Monel (API 600 trim chart).

Typical dimensions Class 150 (RF, mm/kg)
NPSL(RF)H (open)WT
2″17840920
4″22961253
6″267710136
8″292990220
12″3561405510
Typical material combination (p.4): Body WCB, Seat ring A105+13Cr, Wedge WCB+13Cr, Stem F6a, Gasket 304+Graphite.
SERIES 200 · PRESSURE SEAL

Pressure Seal Gate Valve

Class 900 ~ 2500 | NPS 2″ ~ 36″

Design: API 600, ASME B16.34 | Pressure seal bonnet for high pressure.

BonnetPressure seal
SeatIntegral or welded
GasketMetal ring / lens ring
OperatorGear / electric

Typical materials: Body WCB, WC6, WC9, C5, C12; Trim 13Cr, Stellite.

ClassNPSL(RF) mmH mmWT kg
9006″610~820305
15008″787~1120620
25006″673~880560
SERIES 300 · FORGED STEEL

Forged Steel Gate Valve

Class 150 ~ 2500 | NPS 1/4″ ~ 2″

Design: API 602, BS 5352 | B.B OS&Y or W.B OS&Y.

Connections: SW, NPT, BW, Flanged (ASME B16.5).

MaterialsA105, LF2, F304, F316, F51
Trim13Cr, Stellite, 304
NPSClassL(RF) mmH mmWT kg
1/2″800791580.9
1″8001081932.3
2″8001402835.6
Typical parts (p.9): Body A105, Seat 13Cr, Wedge 13Cr, Stem F6a, Gasket 304+Graphite.
SERIES 400 · SLAB GATE

Slab Gate Valve

Class 150 ~ 900 | NPS 2″ ~ 40″

Design: API 6D, full bore or reduced bore, with or without through conduit.

Parallel seats, double expanding gate or slab gate. Ideal for pipeline service.

Features: Double block & bleed, emergency sealant injection, anti‑static, fire safe.

ClassNPSL(RF) mmWT kg
15012″610550
30024″9912800
SERIES 500 · KNIFE GATE

Knife Gate Valve

Class 150 | NPS 2″ ~ 36″ | Wafer / Lug

Design: MSS SP-81, JB/T8691, wafer type, bi-directional seal.

Blade cut disc, self-cleaning, PTFE/metal seat. Suitable for pulp, slurry, sewage.

NPSL(mm)H(mm)WT(kg)
4″515409.5
8″5188537.5
12″64110090
SERIES 600 · CRYOGENIC

Cryogenic Gate Valve

Class 150 ~ 1500 | NPS 1/2″ ~ 24″ | -196°C

Extended bonnet, stainless steel / low carbon steel body, impact tested. For LNG, liquid nitrogen, etc.

Design: API 600 / 602, with cryogenic extensions.

Common References

▪ Design standards: API 600, API 602, API 603, BS 1414, DIN 3352, ASME B16.34
▪ Face‑to‑face: ASME B16.10, DIN 3202, JIS B2002
▪ Flange ends: ASME B16.5 (≤24″), ASME B16.47 (≥26″), JIS B2212, EN 1092-1
▪ Butt‑weld ends: ASME B16.25
▪ Socket weld / threaded: ASME B16.11 / ANSI B1.20.1
▪ Test: API 598, ISO 5208, BS EN 12266
▪ NACE MR0175 available.

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* All data based on YONP catalog, Shanghai Groveland Industry reserves the right of technical updates.