Manufacturers Direct Nodular Cast Iron Flanged Silencing Check Valves Vertical and Horizontal Check Valves

• Customization: Available
• Media: Water
• Temperature: Ordinary Temperature
• Model NO.: ET-CV-003
• Material: Stainless Steel
• Connection Form: Flange
• Structure: Swing
• Pressure: Ordinary Pressure
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: Gland Packings Globe Valve
• Flow Direction: Unidirection
• Standard: Pn10/Pn16 ANSI150 DIN16 JIS10K/16K
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Wooden Box Packaging
• Specification: 110.00cm * 110.00cm * 90.00cm
• Trademark: ET/OEM
• Origin: China
• HS Code: 8481804090
• Production Capacity: 10, 000, 000PCS/Year

Product Description

Check Valve - Technical Specifications

1. Basic Structure & Operating Principle

• Unidirectional flow control: Allows media flow in one direction only, automatically preventing backflow (no external operation required)

• Main types:

  • Swing type: Hinged disc design, ideal for high flow/low velocity

  • Lift type: Vertical moving disc, high sealing performance

  • Dual plate type: Wafer style, low pressure loss design

  • Ball check type: Floating ball structure, excellent debris tolerance

2. Key Technical Parameters

Parameter	Standard Range	Special Specifications
Size Range	DN15-DN1200	Up to DN2000
Pressure Rating	PN10-PN160	ANSI 150-2500#
Temperature Range	-196°C to 550°C	Custom up to 800°C
Sealing Class	API 598 Class IV	Zero-leakage special design

3. Material Configurations

• Body Materials:

  • Cast iron/ductile iron (standard water systems)

  • Stainless steel CF8M (chemical corrosion media)

  • Duplex steel 2205 (seawater/high chloride environments)

• Sealing Materials:

  • NBR/EPDM (general service)

  • PTFE/metal hard seal (high temp/pressure)

  • Ceramic coating (abrasive media)

4. Special Function Models

• Silent type: Spring-assisted closing for water hammer prevention

• Backflow prevention: Complies with AWWA backflow standards (potable water)

• Cryogenic type: Special deep-cryo treatment for LNG service

• Self-cleaning: Rotating disc design prevents scaling

Detailed Photos

 

Company Profile

Tianjin ET Valve Co., Ltd. - Innovative Valve Solutions

Established in 2022, we specialize in high-performance Resilient Seated Concentric butterfly valves for chemical, environmental, and food industries. Our media-optimized designs and advanced sealing technology solve jamming and corrosion issues, ensuring longer service life.

With 50% R&D staff, we combine digital design and smart manufacturing to deliver reliable, customized solutions. Our ISO-certified testing lab validates performance under extreme conditions.

In just nearly four years, ET Valve has become a trusted partner for global clients seeking durable, high-efficiency valve solutions.

- About Products

Q1: How is the quality?
A1: Quality is priority. We pay much attention to the quality check. Every product will be fully assembled and carefully tested before it's packed for shipment.

Q2: Do you have a list of your most popular products?
A2: Here is a list of our most popular products.

- About Samples
Q1: Can you provide free Valve samples?
A1: Yes, but the shipping cost needs to be borne by the buyer.

Q2: How much for a sample?
A2: Please tell me the samples and other details you want, and I will quote you as soon as possible.

- About MOQ
Q1: What is your minimum order quantity?
A1: The MOQ for each product is different, so it would be recommended to refer to the detail page of the product you are interested in. If you need further clarification, send me the product link, and I will reply as soon as possible.

- About Customised
Q1: Can I customize products?
A1: Yes. Let me know the specific customization requirements, and I will get back to you as soon as possible.

Q2: Can I customize the logo and packaging?
A2: Yes, we can customize products based on your design and packaging requirements. Please send your detailed requirements to us.

- About Price
Q1: Why is the actual price higher than the price on the website?
A1: The price on the website is for the most basic style and the smallest size, while we will recommend the right product to you according to your actual requirement, which will make the actual product different from the basic style, so the price will be different, and at the same time the bigger the size, the higher the price will be. Each quotation is the best price we have calculated to give.

Q2: What is the price?
A2: For an accurate quote, please provide us with more details like logo or packaging customization requirements, quantity preference, shipping address, etc.

- About Production
Q1: What is the lead time of your products?
A1: It mainly depends on the types of products, quantity, and season. As for most of the products with small quantities, we can deliver them within 15 days while it will take about 30 days for the products with large quantities. In addition, we also have some products in stock. Please feel free to talk with us about the lead time of specific products. 

Q2: How long is your production cycle?
A2: The production cycle for each product is different. If you need further clarification, send me the product link with the sizes, quantity and special requirements you need, and I will reply as soon as possible.

- About Payment
Q1: What is your payment term?
A1: We need to collect 30% of the amount as the deposit of the order, and the final payment must be settled before shipment. Payment can be made by T/T, Western Union, PAYPAL, credit card, etc. Acceptable currencies are USD, RMB, EUR, JPY, SGD and HKD, etc. This is negotiable.

Q2: Can I pay the full payment for the goods before they leave the warehouse without paying the deposit?
A2: We need a 30% advance payment as a deposit. If you feel uneasy about this, you can make the payment through MIC, which is beneficial for both of us.

- About Shipping
Q1: How can I get accurate quote for different shipping options?
A1 :Please send us your detailed address so that we can provide you with the shipping options and relevant costs.

Q2: What shipping methods can you offer?
A2: There are several shipping options, such as by express (DHL/UPS/FedEx, etc.), by sea, and by land. We suggest to go by sea if you order a big quantity of goods, by land to some Asian and European countries, and by express if you would like to receive your goods as soon as possible. We will discuss with you to offer a best shipping method for you before placing your orders.