The Rising Stem Soft Seal Gate Valve is a high-performance resilient seated gate valve designed for reliable flow isolation and shut-off across water, wastewater, water treatment, industrial, and utility pipeline systems. Manufactured using advanced rubber vulcanization and valve production technology, the valve is designed to address common issues such as valve core corrosion, rubber aging, and sealing failure.
Its resilient gate design uses slight elastic deformation to maintain effective sealing, while the flat-bottomed valve seat helps prevent debris from accumulating in the valve cavity. A ductile iron body, rubber-coated gate, stainless steel stem, and multiple O-ring seals provide durability, smooth operation, and dependable leak resistance.
Resilient Soft Seal: Elastic gate compensation helps maintain reliable sealing performance.
Flat-Bottomed Valve Seat: Minimizes accumulation of cement, iron filings, and other debris that could interfere with closing.
Lightweight Construction: Ductile iron construction reduces weight by approximately 20–30% compared with traditional gate valves.
Precision-Cast Valve Body: Accurate casting provides precise geometric dimensions and reliable sealing.
Rubber-Coated Gate: High-quality rubber coating is firmly bonded to the ductile iron gate for durability.
Triple O-Ring Stem Seal: Reduces friction and helps minimize leakage around the valve stem.
Serviceable Seals: The sealing arrangement allows seal replacement without interrupting pipeline media flow, subject to the appropriate maintenance procedure.
High Mechanical Strength: Ductile iron construction offers improved resistance to impact compared with conventional cast iron.
Drinking Water Suitable: Non-toxic epoxy coating and rubber-coated gate surfaces are designed for applications involving potable water.
Long Service Life: Durable materials and corrosion-resistant components support extended operating performance.
| Component | Material |
|---|---|
| Valve Body | Ductile Iron QT450-10 |
| Gate | Coated Ductile Cast Iron, NBR / EPDM |
| Valve Cover | Ductile Iron / Cast Steel |
| Valve Stem | Stainless Steel 2Cr13 |
| Sealing Sleeve | Cast Aluminum Bronze |
| Valve Stem Nut | Cast Aluminum Bronze |
| Sealing Ring | NBR / EPDM |
| Hex Socket Head Cap Screws | Stainless Steel |
| Anti-Bearing Push | Tin Bronze / Stainless Steel |
| Bolts | Stainless Steel |
| Handwheel / Transmission Cap | Ductile Iron QT450-10 |
| Parameter | Specification |
|---|---|
| Nominal Pressure | 1.0–2.5 MPa |
| Nominal Diameter | DN50–DN800 |
| 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 | GB/T 12221-2005 |
| Test Standard | GB/T 13927-2008 |
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The Rising Stem Soft Seal Gate Valve is a high-performance resilient seated gate valve designed for reliable flow isolation and shut-off across water, wastewater, water treatment, industrial, and utility pipeline systems. Manufactured using advanced rubber vulcanization and valve production technology, the valve is designed to address common issues such as valve core corrosion, rubber aging, and sealing failure.
Its resilient gate design uses slight elastic deformation to maintain effective sealing, while the flat-bottomed valve seat helps prevent debris from accumulating in the valve cavity. A ductile iron body, rubber-coated gate, stainless steel stem, and multiple O-ring seals provide durability, smooth operation, and dependable leak resistance.
Resilient Soft Seal: Elastic gate compensation helps maintain reliable sealing performance.
Flat-Bottomed Valve Seat: Minimizes accumulation of cement, iron filings, and other debris that could interfere with closing.
Lightweight Construction: Ductile iron construction reduces weight by approximately 20–30% compared with traditional gate valves.
Precision-Cast Valve Body: Accurate casting provides precise geometric dimensions and reliable sealing.
Rubber-Coated Gate: High-quality rubber coating is firmly bonded to the ductile iron gate for durability.
Triple O-Ring Stem Seal: Reduces friction and helps minimize leakage around the valve stem.
Serviceable Seals: The sealing arrangement allows seal replacement without interrupting pipeline media flow, subject to the appropriate maintenance procedure.
High Mechanical Strength: Ductile iron construction offers improved resistance to impact compared with conventional cast iron.
Drinking Water Suitable: Non-toxic epoxy coating and rubber-coated gate surfaces are designed for applications involving potable water.
Long Service Life: Durable materials and corrosion-resistant components support extended operating performance.
| Component | Material |
|---|---|
| Valve Body | Ductile Iron QT450-10 |
| Gate | Coated Ductile Cast Iron, NBR / EPDM |
| Valve Cover | Ductile Iron / Cast Steel |
| Valve Stem | Stainless Steel 2Cr13 |
| Sealing Sleeve | Cast Aluminum Bronze |
| Valve Stem Nut | Cast Aluminum Bronze |
| Sealing Ring | NBR / EPDM |
| Hex Socket Head Cap Screws | Stainless Steel |
| Anti-Bearing Push | Tin Bronze / Stainless Steel |
| Bolts | Stainless Steel |
| Handwheel / Transmission Cap | Ductile Iron QT450-10 |
| Parameter | Specification |
|---|---|
| Nominal Pressure | 1.0–2.5 MPa |
| Nominal Diameter | DN50–DN800 |
| 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 | GB/T 12221-2005 |
| Test Standard | GB/T 13927-2008 |
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