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Adjustable Opening Pressure Sanitary 316L Check Valve
**Product Specifications:**
- **Sealing Form:** Bellows Globe Valve
- **Flow Direction:** Reversing
- **Standard:** 3A
- **Application:** Dairy, Food, Beverage, Pharmacy, Cosmetic, and Liquid Industries
- **Power:** Manual
- **Connection Way:** Weld, Clamp, Thread, Union
- **Seal Material:** Silicone, EPDM, FKM (Viton), NBR
- **Standards:** SMS, 3A, DIN, IDF, RJT, ISO
- **Max. Pressure:** 10 Bar
- **Temperature of Media:** Normal Temperature
- **Surface Treatment:** Standard (Polished)
- **Trademark:** QM Stainless
- **Transport Package:** Bubble Pack and Carton
- **Specification:** 9mm - 200mm or DN15-DN100
- **Origin:** Wenzhou, Zhejiang, China
- **HS Code:** 8481300000
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**Product Description:**
The **Sanitary Check Valve** is a high-quality stainless steel non-return valve designed for use in hygienic environments such as the food, dairy, beverage, pharmaceutical, and cosmetic industries. It ensures smooth and safe flow control by preventing backflow in piping systems.
**Key Features:**
- **Material:** SS304 or SS316L (food-grade stainless steel)
- **Standard:** Available in multiple standards including 3A, SMS, DIN, IDF, and RJT
- **Size:** 1/2" to 4" or DN15 to DN100
- **Connection Types:** Weld, Clamp, Male & Female, Union, Flange
- **Seal Material:** Available in silicone, EPDM, Viton, and NBR for different applications
- **Valve Type:** Standard, Union, Ball, etc.
- **Surface Finishing:** Internal Ra ≥0.4–0.8μm, External Ra ≥0.8–1.6μm
- **Working Pressure:** Up to 10 Bar
- **Working Temperature:** -10°C to +120°C (for EPDM seals)
- **Opening Pressure:** Varies by size: 0.3 Bar (DN-25), 0.2 Bar (DN-32/40), 0.1 Bar (DN-50/100)
- **Design Standard:** Complies with DIN 11851-98, SMS 3008, and ISO 2037-92
This check valve is ideal for installation in stainless steel pipeline systems where hygiene and reliability are critical. It helps maintain product integrity and system efficiency.
**Packing Details:**
Usually packed in bubble wrap inside a carton box or wooden crate. Custom packaging options are available upon request.
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**Image:**
This product is perfect for industries that require clean, reliable, and compliant fluid control solutions. Whether you're working in a food processing plant or a pharmaceutical lab, this check valve meets the highest standards of quality and performance.