The Non-Stick Soft-Seal Gate Valve is a resilient seated gate valve designed for reliable pipeline isolation, shut-off, and flow control in water supply, wastewater, water treatment, and various industrial applications. Developed using advanced rubber vulcanization and valve manufacturing technology, the valve is engineered to provide dependable sealing while reducing common problems such as valve core corrosion, rubber aging, and sealing failure.
Its flat-bottom valve seat, rubber-coated ductile iron gate, triple O-ring stem sealing system, and durable ductile iron construction provide a combination of smooth operation, reliable sealing, strength, and long service life.
Reliable Soft Sealing: Elastic deformation of the resilient gate provides effective sealing performance.
Flat-Bottom Valve Seat: Helps prevent cement, iron filings, and other debris from accumulating beneath the gate.
Lightweight Construction: High-grade ductile iron construction reduces weight by approximately 20–30% compared with traditional gate valves.
Precision-Cast Body: Accurate casting provides precise geometry and reliable sealing.
Fully Rubber-Coated Gate: High-quality NBR or EPDM rubber is firmly bonded to the ductile iron gate.
Triple O-Ring Sealing: Reduces stem friction and helps minimize leakage.
Durable Ductile Iron Body: Provides improved resistance to impact and mechanical stress compared with conventional cast iron.
Potable Water Suitable: Non-toxic epoxy resin coating and rubber-covered gate surfaces support drinking-water applications.
Easy Operation: Resilient seating and low-friction sealing components facilitate opening and closing.
Long Service Life: Durable materials and protective coatings support extended operating performance.
| Component | Material | Material Grade / Standard |
|---|---|---|
| Valve Body | Ductile Iron | QT450-10, GB/T 12227-2005 |
| Gate | Coated Ductile Cast Iron, NBR / EPDM | QT450-10, GB/T 12227-2005 |
| Valve Cover | Ductile Iron / Cast Steel | QT450-10, GB/T 12227-2005 |
| Valve Stem | Stainless Steel | 2Cr13, GB/T 12230-2005 |
| Sealing Sleeve | Cast Aluminum Bronze | GB/T 12225-2005 |
| Valve Stem Nut | Cast Aluminum Bronze | GB/T 12225-2005 |
| Sealing Ring | NBR / EPDM | — |
| Hex Socket Head Cap Screws | Stainless Steel | GB/T 12230-2005 |
| Anti-Bearing Push | Tin Bronze / Stainless Steel | GB/T 12225-2005 |
| Bolts | Stainless Steel | GB/T 12230-2005 |
| Handwheel / Transmission Cap | Ductile Iron | QT450-10, GB/T 12227-2005 |
| Parameter | Specification |
|---|---|
| Nominal Pressure | 1.0–2.5 MPa |
| Nominal Diameter | 50–800 mm |
| Operating Temperature | 0–80°C |
| Applicable Media | Water, oil, gas, etc. |
| Manufacturing Standards | GB/T 24924-2010, CJ/T 216 |
| Flange Standard | GB/T 17241.7-1998 |
| Structural Length Standard | GB/T 12221-2005 |
| Test Standard | GB/T 13927-2008 |
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The Non-Stick Soft-Seal Gate Valve is a resilient seated gate valve designed for reliable pipeline isolation, shut-off, and flow control in water supply, wastewater, water treatment, and various industrial applications. Developed using advanced rubber vulcanization and valve manufacturing technology, the valve is engineered to provide dependable sealing while reducing common problems such as valve core corrosion, rubber aging, and sealing failure.
Its flat-bottom valve seat, rubber-coated ductile iron gate, triple O-ring stem sealing system, and durable ductile iron construction provide a combination of smooth operation, reliable sealing, strength, and long service life.
Reliable Soft Sealing: Elastic deformation of the resilient gate provides effective sealing performance.
Flat-Bottom Valve Seat: Helps prevent cement, iron filings, and other debris from accumulating beneath the gate.
Lightweight Construction: High-grade ductile iron construction reduces weight by approximately 20–30% compared with traditional gate valves.
Precision-Cast Body: Accurate casting provides precise geometry and reliable sealing.
Fully Rubber-Coated Gate: High-quality NBR or EPDM rubber is firmly bonded to the ductile iron gate.
Triple O-Ring Sealing: Reduces stem friction and helps minimize leakage.
Durable Ductile Iron Body: Provides improved resistance to impact and mechanical stress compared with conventional cast iron.
Potable Water Suitable: Non-toxic epoxy resin coating and rubber-covered gate surfaces support drinking-water applications.
Easy Operation: Resilient seating and low-friction sealing components facilitate opening and closing.
Long Service Life: Durable materials and protective coatings support extended operating performance.
| Component | Material | Material Grade / Standard |
|---|---|---|
| Valve Body | Ductile Iron | QT450-10, GB/T 12227-2005 |
| Gate | Coated Ductile Cast Iron, NBR / EPDM | QT450-10, GB/T 12227-2005 |
| Valve Cover | Ductile Iron / Cast Steel | QT450-10, GB/T 12227-2005 |
| Valve Stem | Stainless Steel | 2Cr13, GB/T 12230-2005 |
| Sealing Sleeve | Cast Aluminum Bronze | GB/T 12225-2005 |
| Valve Stem Nut | Cast Aluminum Bronze | GB/T 12225-2005 |
| Sealing Ring | NBR / EPDM | — |
| Hex Socket Head Cap Screws | Stainless Steel | GB/T 12230-2005 |
| Anti-Bearing Push | Tin Bronze / Stainless Steel | GB/T 12225-2005 |
| Bolts | Stainless Steel | GB/T 12230-2005 |
| Handwheel / Transmission Cap | Ductile Iron | QT450-10, GB/T 12227-2005 |
| Parameter | Specification |
|---|---|
| Nominal Pressure | 1.0–2.5 MPa |
| Nominal Diameter | 50–800 mm |
| Operating Temperature | 0–80°C |
| Applicable Media | Water, oil, gas, etc. |
| Manufacturing Standards | GB/T 24924-2010, CJ/T 216 |
| Flange Standard | GB/T 17241.7-1998 |
| Structural Length Standard | GB/T 12221-2005 |
| Test Standard | GB/T 13927-2008 |
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Shanxi Associated Industrial Co., Ltd.