1 / 2
China DN100 EPDM Fully Lined Wafer Butterfly Valve Multi-standard Manufacturer, Factories
Product Description
Key Features & Technical Highlights
Wafer Type Butterfly Valve
The thinnest butterfly valve design engineered specifically to optimize space-saving installation.
Ductile Iron GGG50 Body
Constructed from premium ductile iron GGG50, the industry benchmark offering superior tensile strength.
Soft Back Seat
Cost-efficient maintenance: easily replaceable seat components prevent the need to replace the entire valve body upon aging.
Stainless Steel 420 Stem
High-grade SS420 stem delivers exceptional corrosion resistance, superior structural strength, and high hardness.
EPDM Fully Lined Disc
Complete internal surface coverage with chemical-resistant EPDM rubber ensures maximum defense against corrosive agents.
Compliance & Standards
Fully tested and certified according to ISO 5208, API 598, and EN1266-1 manufacturing standards.
Operational Scope & Industrial Applications
Suitable for water systems, wastewater systems, and gas pipelines with operational temperatures ≤120°C and nominal pressures ≤16MPa across industries including food, medicine, chemical processing, petroleum, electrical power, municipal infrastructure, textiles, and papermaking.
Technical Specifications
| Size, Pressure Rating & Standard | |
|---|---|
| Size | DN40 - DN1200 |
| Pressure Rating | PN10, PN16, CL150, JIS 5K, JIS 10K |
| Face to Face STD | API609, BS5155, DIN3202, ISO5752 |
| Connection STD | PN6, PN10, PN16, PN25, 150LB, JIS 5K, 10K, 16K, GOST33259 |
| Upper Flange STD | ISO 5211 |
| Material Specifications | |
| Body | Cast Iron (GG25), Ductile Iron (GGG40/50) |
| Disc | DI+Ni, Carbon Steel (WCB A216), Stainless Steel (SS304 / SS316 / SS304L / SS316L), Duplex Stainless Steel (2507 / 1.4529), Bronze, DI/WCB/SS coated with Epoxy Painting / Nylon / EPDM / NBR / PTFE / PFA |
| Stem / Shaft | SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel |
| Seat | NBR, EPDM / REPDM, PTFE / RPTFE, Viton, Neoprene, Hypalon, Silicon, PFA |
| Bushing | PTFE, Bronze |
| O-Ring | NBR, EPDM, FKM |
| Actuator Options | Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator |
Product Gallery
Frequently Asked Questions (FAQ)
Q: Are you a factory or a trading company?
A: We are a professional manufacturer with over 17 years of production experience, providing OEM manufacturing for global clients.
Q: What is your warranty and after-sales service policy?
A: We provide an 18-month comprehensive warranty across all manufactured products.
Q: Do you accept custom sizing and OEM specifications?
A: Yes, customized dimension designs, materials, and configurations are supported to meet your engineering requirements.
Q: What payment terms and shipping options do you support?
A: We accept T/T and L/C payment methods. Shipments are mainly handled via sea and air freight, with express courier options available for urgent requirements.
Q: What is a worm gear operated CF8 disc double stem wafer butterfly valve?
A: It is an industrial flow-control valve operated smoothly via a precision worm gear actuator, featuring a durable CF8 stainless steel disc supported by double stems for higher operational stability and mechanical strength.
Q: What are the main advantages of using this valve?
A: Key advantages include an ultra-compact wafer profile, minimal pipeline space requirements, precise throttling control, long-term anti-corrosive durability, and cost-effective maintenance with replaceable soft back seats.
