FAQ: 1. Are you a factory or trading company? Q: We are a manufacturing factory with export licenses. 2. Do you offer a quality guarantee? Q: Yes, we provide a one-year warranty on all our products. 3. What is the delivery time? Q: One week for samples; 15–30 days for mass production. 4. Which ports do you ship from? Q: Ningbo or Shanghai Port. 5. Can we print our logo on the product? Q: Yes, we support OEM and custom branding. 6. Do you have any certifications? Q: Yes, we hold 12 patents for our products. 7. Why should you trust us after payment? Q: We are honest merchants, and you can rely on Made-in-China for protection. Our factory has been inspected by SGS. 8. Can I get samples? Q: Yes, free samples are available upon request. 9. Can I visit your factory? Q: Absolutely, we welcome all visitors at any time. We can also arrange transportation from the airport or station. 10. Are you ready to handle samples and small orders? Q: Yes, we are always here to support your business needs. Powder Transportation Truck,Cold Chain Ice Cream Cart,Refrigerated Freezer Truck Xuzhou Hezhan Locomotive Co., Ltd , https://www.hezhantricycle.com
Product Description
Size
1/4"-3"
Material
ASTM A351 CF8/304, CF8M/316, CF3/304L, CF3M/316L, WCB/1.0619
Pressure
200PSI (PN16)
Connect End
Female x Female threaded
Thread Ends
ANSI B1.20.1 (NPT), DIN 259/2999, ISO 228-1, BSP, BSPT
Body & Cap
Investment Casing
Test
API598, 100% tested under water and gas
Certificates
ISO9001, API, and CE Certification
Media
Water, oil, gas, acid, steam, etc.
Applicable Temperature
-20 ~ 180°C (RPTFE), -20 ~ 250°C (PPL)
Inspection Testing
According to API-598, EN 12266
Check valves are essential components used to ensure the flow of fluids in a single direction. Our high-pressure NPT male thread spring-loaded check valve is designed for durability and reliability, making it ideal for industrial and commercial applications. The stainless steel body and PTFE seals offer excellent resistance to corrosion, allowing these valves to handle a wide range of media such as water, oil, gas, air, light alkalis, acids, biodiesel, fuels, and alcohols.
Swing check valves are suitable for horizontal use only. When fluid flows in the correct direction, the disc swings open to allow passage. If the flow reverses, the disc swings shut to prevent backflow. It's important to note that these valves should not be used in vertical installations, as gravity can affect their performance.
We are committed to providing high-quality products and exceptional customer service. Our valves are manufactured according to international standards and come with certifications including ISO 9001, CE, and API. We also offer customization options, including OEM branding and tailored packaging to meet your specific needs.
Our delivery times vary depending on the order size. For samples, it typically takes 3–5 working days, while small orders take 2–7 working days, and mass production may require 15–30 working days. We ship via sea or air, and once your order is dispatched, we will provide you with the tracking number.
We accept various payment methods, including T/T, L/C, Western Union, MoneyGram, and PayPal. Our factory is equipped with advanced production technology and has passed rigorous quality inspections, including those by SGS. You can trust us for reliable and timely delivery.
If you have any questions, feel free to reach out. We are always ready to assist you with samples, small orders, or large-scale production. We welcome factory visits and can arrange airport or station pick-up for our valued customers.
Packing & Delivery:
Delivery Details: 3–5 working days for sample, 2–7 working days for small orders, 15–30 working days for mass production.
Packaging Details: Shrink-wrapped - Carton - Wooden case or as per customer requirements.
We usually ship via sea or air. Once your order is shipped, we will provide the tracking number.
We accept T/T, L/C, Western Union, MoneyGram, and PayPal.
High Pressure NPT Male Thread Spring Loaded Check Valve
Model NO.: Omev
Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Sealing Form: Gland Packings Globe Valve
Flow Direction: Reversing
Standard: DIN
Application: Industrial Usage, Water Industrial Usage, Household Usage
Product Name: High Pressure NPT Male Thread Check Valve
Medium: Water, Oil, Gas
Payment: T/T, L/C, Western Union
Body Material: Stainless Steel 304 or 316
Connection: Thread
Certificate: ISO9001, CE, API
Design: ANSI B16.34
Pipe Thread: ANSI, BS, DIN, JIS
Trademark: Ouming
Transport Package: Wooden Case
Specification: 1/4"-4"
Origin: Wenzhou, China
HS Code: 8481901000
High Pressure NPT Male Thread Spring Loaded Check Valve