As a professional China socket soft sealing gate valve manufacturer, Yuanjd Valve specializes in the design, production, and supply of high-performance resilient seated gate valves with socket end connections. Our socket soft sealing gate valves—also known as socket end resilient seated gate valves or socket type soft seal gate valves—are engineered to provide bubble-tight zero leakage isolation with a compact, bolt-free connection that simplifies installation and reduces overall system cost.
A socket soft sealing gate valve combines the proven reliability of EPDM-encapsulated wedge sealing with the installation convenience of socket end connections. Unlike traditional flanged gate valves that require bolts, gaskets, and extensive labor for installation, socket end valves are connected by inserting the pipe directly into the valve’s socket end. This design eliminates the need for flanges and bolted components, resulting in a more compact, lightweight valve that is ideal for piping systems with limited space.
The socket end design offers several distinct advantages over flanged connections:
Bolt-free installation – The pipe is inserted directly into the valve socket, eliminating flange bolts and gaskets
Leak-tight connections – Precision machining ensures a secure, leak-free joint even under pressure
Compact and lightweight – Without bulky flanges, socket end valves require less installation space and structural support
Cost-effective – Reduced material costs, faster installation, and lower overall project expense
The valve features a ductile iron wedge fully vulcanized with EPDM rubber. This soft sealing design achieves 100% tight sealing through full contact between the EPDM-covered wedge and the fusion-bonded epoxy-coated flow surface. The soft seal compensates for any deformation of the gate, ensuring reliable sealing even after repeated operations.
Plastic sliding guides on the wedge minimize friction and ensure low operating torque even after years of use. The O-ring stem seals are replaceable under pressure, allowing maintenance without system shutdown. Both internal and external surfaces are coated with fusion-bonded epoxy for superior corrosion resistance.
| Feature | Socket Soft Sealing Gate Valve | Flanged Gate Valve |
|---|---|---|
| Connection Method | Pipe inserted into socket, solvent-welded or push-on | Bolted with gasket between flanges |
| Installation | Fast, bolt-free installation | Requires bolting, more labor-intensive |
| Weight | Lighter, more compact | Heavier, bulkier |
| Sealing | Zero leakage (EPDM encapsulated wedge) | Gasket-dependent sealing |
| Cost | Lower (no flanges, bolts, gaskets) | Higher (more components) |
| Ideal Applications | PVC/PE pipelines, underground systems, space-constrained installations | Large-diameter, high-pressure systems requiring frequent maintenance |
Our socket soft sealing gate valves are manufactured in strict accordance with leading international standards:
Design Standards: DIN 3352 F5, BS 5163, SABS 664
Face-to-Face Dimensions: DIN 3202 F5, EN 558-1
Testing Standards: EN 12266
Size Range: DN40 to DN600
Pressure Rating: PN10, PN16, PN25
Temperature Range: -10°C to +120°C (EPDM)
Body Material: Ductile iron (GGG40 / GGG50)
Wedge Material: Ductile iron + EPDM encapsulation
Stem Material: Stainless steel 2Cr13
Coating: Fusion bonded epoxy (internal and external)
Socket soft sealing gate valves are widely used across multiple sectors:
Water Supply & Distribution – Potable water networks, PVC/PE pipeline systems
Wastewater & Sewage – Treatment plants, sewage force mains
Irrigation Systems – Agricultural and landscape irrigation
HVAC Systems – Heating and cooling water systems
Industrial Pipelines – Neutral liquids, cooling water
Underground Installations – Buried service with corrosion-resistant construction
At Yuanjd Valve, we combine decades of manufacturing expertise with advanced production facilities and rigorous quality control systems. As a leading China socket soft sealing gate valve supplier, we are committed to delivering products that meet international quality standards—including DIN 3352, BS 5163, and EN 12266—while offering competitive factory-direct pricing.
Our socket soft sealing gate valves feature:
DIN 3352 F5 / BS 5163 compliant design
Full EPDM encapsulated wedge – zero leakage, bubble-tight sealing
Socket end connection – bolt-free, compact, easy installation
O-ring stem seals replaceable under pressure
Fusion-bonded epoxy coating – internal and external
ISO 9001:2015 certification – Quality management systems
CE marking – Compliance with European market requirements
We offer comprehensive OEM and customization services, allowing you to specify materials, sizes, pressure ratings, end connections, and certifications that precisely match your industrial requirements. Whether you need rising stem or non-rising stem configurations, handwheel or square cap operation, or specialized coatings for corrosive environments—our engineering team can deliver tailored solutions for your specific project needs.
Partner with a reliable socket soft sealing gate valve manufacturer in China. Contact Yuanjd Valve today for product inquiries, technical support, or to request a quote. Our experienced team is ready to assist you with professional guidance and prompt service.
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