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**Cast Iron 4 Inch 6 Inch Soft Seal Wafer Type Pneumatic Actuator Butterfly Valve**
**Product Specifications**
- **Model No.:** Butterfly Valve
- **Working Temperature:** High Temperature (T > 450°C)
- **Seal Surface Material:** Metal Hard Sealed
- **Valve Body:** Cast Iron
- **Application:** Industrial, Water Treatment, and Household Use
- **Size:** 1/4" to 4"
- **Standard Pressure:** 1.0MPa, 1.6MPa
- **Seal Type:** PTFE / Double-Sided O-Ring
- **Applicable Medium:** Oil, Gas, Water
- **Valve Material:** Cast Steel, Stainless Steel, Special Alloy, CI, DI
- **Packing:** Wooden Box
- **Pressure Rating:** ANSI Class 150lb–2500lb, PN10, PN16, PN25, PN250
- **Globe Valve Type:** Y-Pattern, Pressure Seal, Bellow Seal, Vacuum
- **Valve Bonnet:** Bolted or Welded
- **Material:** Stainless Steel, Alloy Aluminum
- **Trademark:** ZLRC
- **Transport Package:** Each valve in a polybag, inner box, and carton
- **Specification:** DN40–300mm
- **Origin:** Beijing, China (Mainland)
- **HS Code:** 84811000
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**Product Description**
The **Cast Iron 4 inch 6 inch Soft Seal Wafer Type Pneumatic Actuator Butterfly Valve** is designed for industrial applications, offering high performance and durability under extreme conditions. This butterfly valve is ideal for use in oil, gas, and water systems, where reliability and efficiency are essential.
**Technical Data**
| Parameter | Specification |
|----------|---------------|
| Size | DN25-DN300 |
| Design Standard | API609 |
| Mounting Pad | ISO 5211 |
| Face to Face | EN 558-1 |
| End Connection | JIS 10K PN10/16 CLASS 150 |
| Inspection & Test | API598 |
**Material of Construction**
| Part | Description | Material | Specification |
|------|-------------|----------|----------------|
| 1 | Body | Alloy Aluminum | - |
| 2 | Bushing | PTFE | - |
| 3 | O Ring | EPDM | - |
| 4 | Shaft | Stainless Steel | A276 SS410 |
| 5 | Disc | Stainless Steel | 316SS |
*Note: Custom materials available upon request.*
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**Image Details**
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**Special Features**
- **Triple Offset Wafer Butterfly Valve**
- **Figure:** DIDTEKTOFBV
- **Standards Compliance:**
- API609, ASME B16.34
- Face to Face: ASME B16.10/API 609
- Flanges: ASME B16.5/ASME B16.47
- Butt Weld Ends: ASME B16.25
- Testing: API 598
- **Size Range:** 2" ~ 60"
- **Pressure Rating:** ASME CL 150, 300, 600
- **Temperature Range:** -196°C ~ 650°C
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**Our Service**
**Key Competitive Advantages:**
1. We have extensive experience in manufacturing forged brass ball valves and fittings, with full import/export rights.
2. We can customize valve products based on customer requirements. Large orders may be produced without mold charges.
3. We focus on building the "ZLRC" brand and welcome you to become our sales agent. Approved agencies will receive special pricing.
**Outstanding Service:**
- Fast response: We guarantee to reply within 24 hours.
- Positive cooperation with your company.
- Professional suggestions based on our extensive experience.
- OEM accepted.
- Factory visits are welcome.
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**Packing & Shipping**
- **Packaging:** Standard export cartons or as per customer requirements.
- **Delivery Time:** Shipped within 40 days after payment.
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**Company Information**
BEIJING ZLRC Environmental Protection Equipment Co., Ltd. specializes in FRP products and related machinery, including pipe production lines, FRP tank lines, pultrusion machines, grating machines, rebar machines, SMC presses, and winding machines. We also provide a wide range of **valves, flanges, cast fittings, and other industrial hardware** upon request.
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**FAQ**
**Q: What raw materials do you use?**
A: We use 100% new raw materials.
**Q: What is the minimum order quantity (MOQ)?**
A: MOQ is flexible, depending on the product. For example, for PPR pipes (DN20), the MOQ is 200 meters.
**Q: What is your production capacity and delivery time?**
A: A full 40HQ container can be completed within one week.
**Q: What is your main shipping port?**
A: Tianjin Port.
**Q: What are your payment terms?**
A: For payments ≤ $1000, 100% in advance. For payments ≥ $1000, 30% T/T in advance, balance before shipment.