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Stainless Steel Thread Ends Sanitary Butterfly Valve with Pull Handle
**Sanitary Butterfly Valves with Female Threaded Ends and Pull Handle**
**Model No.:** RSTB
**Working Temperature:** Normal Temperature (-40°C < T < 120°C)
**Seal Surface Material:** Soft Sealed
**Valve Body:** Cast
**Application:** Industrial, Water Treatment, Household, Food & Beverage
**Standards:** 3A / SMS / DIN / ISO
**HS Code:** 8481804090, 8481804090
**MOQ:** 1 PC
**Warranty:** 18 Months
**Delivery Time:** 15 Days
**Certification:** ISO / CE
**Trademark:** RST / OEM
**Packaging:** Wooden Crate
**Size Range:** 1/2" – 8" (DN15 – DN200)
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**Description:**
This is a manual sanitary butterfly valve featuring female threaded ends, designed for use in process piping systems for isolation and control. The valve is operated manually via a 4-position pull handle, making it ideal for applications where quick and reliable shut-off is required.
**Specifications:**
- **Sizes Available:** 1/2", 3/4", 1", 1 1/2", 2", 2 1/2", 3", 4", 5", 6", 8" (DN15 to DN200)
- **Materials:** SS304, SS316, SS304L, SS316L available upon request
- **Max Working Pressure:**
- 145 psi (10 bar) for DN25/1" to DN100/4"
- 116 psi (8 bar) for DN125/5" to DN150/6"
- 73 psi (5 bar) for DN200/8"
- **Temperature Range:**
- EPDM Seat: 14°F to 248°F (-10°C to 120°C)
- VMQ (Silicone) Seat: -58°F to 356°F (-50°C to 180°C)
- Viton (FPM) Seat: -22°F to 428°F (-30°C to 220°C)
- **End Connections:** Female threads (NPT, BSPT, BSP, DIN259, etc.)
- **Surface Finish:** Ra 16–32 µin (0.4–0.8 µm), default Ra 32 µin
**Options:**
- **Body & Disc Materials:** AISI 304 or AISI 316L (304L and 316 available on request)
- **Seat & Gasket Materials:** EPDM, VMQ (Silicone), or Viton (FPM), all FDA 21CFR177.2600 compliant
- **End Connections:** Butt-welded, Sanitary Tri-Clamp, Threaded, Flanged, I-Line, or custom options
- **Handles:** 4-position pull handle, multi-position with plastic cover, or stainless steel only
**Actuators for Automatic Operation:**
- Pneumatic stainless steel actuator (vertical type)
- Pneumatic aluminum actuator (horizontal type)
- Electric actuator
- NC (Normally Closed): Air to open, spring to close
- NO (Normally Open): Air to close, spring to open
- AA (Double Acting): Air to open, air to close
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**Technical Parameters Table**
| Steel Material | Products Wetted Steel Parts | Other Steel Parts | Provided with Material Report |
|----------------|-----------------------------|-------------------|-------------------------------|
| | AISI 304 or 316L (1.4301/1.4404) | AISI 304 | Yes |
| Seal Material | Standard | Options | FDA Compliant |
|---------------|----------|---------------|---------------|
| | EPDM | VMQ / Viton | Yes |
| Pressure | Working Pressure | Supply Pressure for Air Actuator |
|-----------------|------------------|----------------------------------|
| | ≤145 psi (10 bar) | 70–116 psi (5–8 bar) |
| Temperature | Working Temperature | Sterilization Temp. |
|------------------|---------------------|-----------------------------|
| | EPDM: 14–248°F (-10–120°C) | 150°C (302°F), Max. 20 min |
| | VMQ: -58–356°F (-50–180°C) | |
| | Viton: -22–428°F (-30–220°C)| |
| Surface Treatment | Inside Surface | Outside Surface |
|-------------------|----------------|-----------------|
| | Ra 16–32 µin (0.4–0.8 µm) | Ra 32–64 µin (0.8–1.6 µm) |
| Connection | End Connections |
|----------|-----------------|
| | Butt-welded, Sanitary Clamp, Male/Female Threaded, Flanged, I-Line, or others upon request |
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