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MSS SP 81 Gate Valve

13 products found

An MSS SP-81 gate valve is a stainless steel, bonnetless knife gate valve manufactured and tested to the MSS SP-81 standard. Engineered for abrasive, high-viscosity slurries like paper pulp, mining mud, and sewage, it features a thin blade with a beveled edge that slices through suspended solids to prevent clogging. Because the compact body lacks a traditional bonnet, the cold working pressure is limited to 150 psi for sizes 2 to 24 inches and 100 psi for sizes 30 to 36 inches to prevent gate deformation. Conforming to this standard ensures full dimensional interchangeability when installing or replacing valves within standard ASME Class 150 flange lines. Procurement networks and industrial processing plants can eliminate slurry-line clogging and reduce pipeline downtime by importing certified MSS SP-81 knife gate valves directly from leading manufacturers in China via our advanced B2B commercial platform.

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MSS-SP-81 Knife Gate Valve, A216 WCB, DN900, PN20, STL6 Seat

XIAMEN LANDEE INDUSTRIES CO., LTD.

MSS-SP-81 Knife Gate Valve, A216 WCB, DN900, PN20, STL6 Seat

Model Number: LV 17 CGV 51

MSS-SP-81 Knife Gate Valve Supplier in China: MSS-SP-81 Knife Gate Valve, ASTM A216 WCB, DN900, Clas...
Knife Gate Valves: JB/T8691, MSS SP-81

Zhejiang Xinhai Valve Manufacturing Co., Ltd.

Knife Gate Valves: JB/T8691, MSS SP-81

Model Number: KGV MSS SP 81

Knife Gate Valves: JB/T8691, MSS SP-81, Resilient Wedge, Alloy, Stainless, Carbon Steel, Flanged End...
MSS SP 81 Knife Gate Valve, 2 - 24 Inch, 150 PSI

XIAMEN LANDEE INDUSTRIES CO., LTD.

MSS SP 81 Knife Gate Valve, 2 - 24 Inch, 150 PSI

MSS SP 81 Knife Gate Valve Manufacturer: MSS SP 81 Knife Gate Valves, 2 - 24 Inch, DN50-DN600, 150 P...
MSS SP-81 Knife Gate Valve, Carbon, Stainless Steel, 2-24 IN

XIAMEN LANDEE INDUSTRIES CO., LTD.

MSS SP-81 Knife Gate Valve, Carbon, Stainless Steel, 2-24 IN

We supply knife gate valves meeting MSS SP-81 and ASME B16.34 standards, available in carbon steel a...
Slurry knife Gate Valve, MSS SP-81, SS 304, 4 Inch, 150 LB

XIAMEN LANDEE INDUSTRIES CO., LTD.

Slurry knife Gate Valve, MSS SP-81, SS 304, 4 Inch, 150 LB

Model Number: LD-20241106-GTV-01

The Slurry Knife Gate Valve, manufactured to MSS SP-81 standards, features a robust SS 304 construct...
Pneumatic Knife Gate Valve, MSS SP-81, A216 WCB, DN250, Lug

XIAMEN LANDEE INDUSTRIES CO., LTD.

Pneumatic Knife Gate Valve, MSS SP-81, A216 WCB, DN250, Lug

Model Number: LD-20250417-GTV-01

This Pneumatic Knife Gate Valve is built for demanding industrial applications, featuring an ASTM A2...
Unidirectional Salgging Knife Gate Valve, 150 LB, 28 Inch

topper

Unidirectional Salgging Knife Gate Valve, 150 LB, 28 Inch

Model Number: MFRS-230905-GV-10

Experience superior quality with our Unidirectional Slagging Knife Gate Valve Plant. Crafted from AS...
Unidirectional Seal Knife Gate Valve, MSS SP-81, 88-120 Inch

topper

Unidirectional Seal Knife Gate Valve, MSS SP-81, 88-120 Inch

Model Number: MFRS-230905-GV-11

Presenting our High-Pressure Unidirectional Seal Knife Gate Valve in sizes ranging from 20 to 80 inc...
Knife Gate Valve, Unidirectional Seal, 20 - 56 Inch, 150 LB

topper

Knife Gate Valve, Unidirectional Seal, 20 - 56 Inch, 150 LB

Model Number: MFRS-230905-GV-12

Introduce our Unidirectional Seal Knife Gate Valve, designed for Class 150 LB applications in sizes ...
MSS SP-81 Knife Gate Valve, ASTM A351 CF3M, 150 LB, 40 Inch

topper

MSS SP-81 Knife Gate Valve, ASTM A351 CF3M, 150 LB, 40 Inch

Model Number: MFRS-230905-GV-13

Looking for a reliable Knife Gate Valve? Your search ends here. Explore our Light Seat Replaceable K...
MSS SP-81 Rising Stem Knife Gate Valve, 16 Inch, 150 LB, WCB

topper

MSS SP-81 Rising Stem Knife Gate Valve, 16 Inch, 150 LB, WCB

We Provide MSS SP-81 Rising Stem Knife Gate Valves, Rising Stem Knife Gate Valves, MSS SP-81, 16 Inc...
MSS SP-81 Knife Gate Valve, Stainless Steel, DN50-DN400, Wafer

Zhejiang Magpie Sealing Technology Co., Ltd.

MSS SP-81 Knife Gate Valve, Stainless Steel, DN50-DN400, Wafer

Model Number: MV-20250705-CSGTV-01

The MSS SP-81 Knife Gate Valve is a high-quality stainless steel valve designed for reliable perform...
GGG40 Knife Gate Valve, MSS SP-81, DI, 2-16 IN, CL150, Wafer

Zhejiang Magpie Sealing Technology Co., Ltd.

GGG40 Knife Gate Valve, MSS SP-81, DI, 2-16 IN, CL150, Wafer

Model Number: MV-20250709-CSGTV-01

Our China-based factory manufactures MSS SP-81 knife gate valves with a robust GGG40 ductile-iron bo...
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