Flanged x Grooved End Resilient Wedge NRS Gate Valve Z485-300

Size: 2″-12”(DN50-DN300)
Material: Ductile iron ASTM A536, 65-45-12/Cast Iron ASTM A126 Class B/EN-GJS-450-10/ ENJS1040
Dimension: AWWA C515,ASME B16.10,BS5163,AWWA C503, BS & DIN Standard, BS750,EN1074,BS EN14339, BS 5041, BS 5154
Connection: AWWA C606, ASME B16.1 CL 125, ISO 5211,ASTM A888, ISO 6182, BS EN 1092-2
Pressure Rating: 300PSI
Temperature: -10-120 ℃
Surface Treatment: ANSI/AWWA C550,Epoxy coated interior and exterior by Electrostatic
Certificate: UL Listed/FM Approved /NSF/ANSI61&NSF/ANSI 372
Medium: Water, gas etc.

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Product Description


What is Flanged x Grooved End Resilient Wedge NRS Gate Valve Z485-300? The difference between ANSI, BS and DIN standards Flanged x Grooved End Resilient Wedge NRS Gate Valve ?

The Flanged x Grooved End Resilient Wedge NRS (Non-Rising Stem) Gate Valve Z485-300 is a specific type of gate valve designed for versatile installation with both flanged and grooved ends. Let’s explore its characteristics and then discuss the differences between ANSI, BS, and DIN standards for Flanged x Grooved End Resilient Wedge NRS Gate Valves:

Flanged x Grooved End Resilient Wedge NRS Gate Valve Z485-300:
1. Flanged End:
One end of the valve features flanges, allowing for a secure bolted connection to pipes using flange connections.
2. Grooved End:
The other end of the valve has grooved ends, enabling quick and efficient installation using grooved couplings.
3. Resilient Wedge:
The valve incorporates a resilient wedge, typically made of materials like rubber or EPDM. This design ensures a tight seal, even in the presence of debris or sediment in the pipeline.
4. NRS (Non-Rising Stem):
The non-rising stem design means that the stem of the valve does not move vertically during operation. Instead, the gate moves up and down to control the flow.
5. Pressure Rating (300):
The “300” in the designation may refer to the pressure rating of the valve, indicating its ability to handle a certain level of pressure (e.g., 300 PSI).

Differences Between ANSI, BS, and DIN Standards:
1. ANSI Standards:
ANSI (American National Standards Institute) standards are commonly used in the United States.
Flange dimensions and specifications, such as ANSI/ASME B16.1 and ANSI/ASME B16.5, are often followed for flanged connections.

2. BS Standards:
BS (British Standards) standards are widely used in the United Kingdom and other countries influenced by British engineering practices.Flange dimensions and specifications, such as BS EN 1092-1, may be followed for flanged connections.

3.DIN Standards:
DIN (Deutsches Institut für Normung, or German Institute for Standardization) standards are prevalent in Germany and many European countries.Flange dimensions and specifications, such as DIN 2501, are often followed for flanged connections.

1 .Flange Dimensions: ANSI, BS, and DIN standards may have different specifications for flange dimensions, facing, and drilling patterns. It’s essential to ensure that the valve complies with the specific standard used in the region or project.
2. Material Standards: The material standards, such as ASTM for the United States and EN/DIN for Europe, may vary between ANSI, BS, and DIN specifications.

When selecting a Flanged x Grooved End Resilient Wedge NRS Gate Valve, it’s crucial to consider the regional standards and codes applicable to the installation site. Always refer to the manufacturer’s documentation to confirm compliance with the appropriate standards and ensure compatibility with the piping system.

Product Drawing

Size DN L D F D2 E G H
2 1/2” 65 190 178 15.9 73 69.1 7.9 292
76.1 72.3
3 80 203 191 15.9 88.9 84.9 7.9 322
4” 100 229 229 15.9 114.3 110.1 9.5 342
5″ 125 254 254 15.9 139.7 135.5 9.5 412
141.3 137
6” 150 267 279 15.9 165.1 160.8 9.5 448
168.3 163.9
8″ 200 292 343 19 216.3 211.6 11.1 534
219.1 214.3
10” 250 330 406 19 273 268.3 12.7 635
12″ 300 356 483 19 323.9 318.3 12.7 720
NO. Name Material
1 Flat Washer Steel 1045 or Stainless Steel 304
2 Hexagon Socket Screw Steel 1045 or Stainless Steel 304
3 Sealing Ring EPDM
4 O-Ring EPDM
5 Sealing Ring EPDM
6 O-Ring EPDM
7 Bonne Ductile Iron
8 Stem Stainless Steel 304 or C95400
9 Plug Stainless Steel 304 or C95400
10 Disc Ductile Iron +EPDM
11 Body Ductile Iron
12 Sealing Ring EPDM
13 Retaining Ring C95400
14 Gland Ductile Iron
15 Post Flange Ductile Iron
16 Wrench Nut Ductile Iron
17 Bolt Stainless Steel 304 or Steel 1045
18 Washer Stainless Steel 304 or Steel 1045
19 Hexagon Socket Screw Steel 1045 or Stainless Steel 304
20 Stem Nut CF8 or C95400

Quality Control

Advanced equipment guarantee the production of high quality products.
Advantages of DISA moulding line:1. High quality precise casting less scrap and lower finishing costs. 2.High Production Efficiency(1)Fast production: 350 moulds per hour, pattern changing time cut down to 2-3 minutes
(2).higher profitability over a longer service life. 3. Safety and Environmental Friendly safe, easy and clean operation (CE and ISO 14001 compliant)
High-precision, hydraulicly driven mould transport,no shifting, distortion, ordisplacement of moulds.
The advantage of the sand supply system:The sand supply system is from the best class sand processing equipment manufacturers of China, with straight structure, easier maintenance, environmently friendly, high degree of automation, high safety factor, good parameters of sand stability.

Fluid Tech Group is honored as the National enterprise technical center and is capable and qualified to conduct full series of tests and inspections including chemical checking, etc. Inspection facilities include:spectrometer, carbon sulfur analyzer, metallurgical microscope, tensile strength testing equipment, pressure testing equipment, adhesive force testing equipment, CMM, hardness tester, etc.From incoming inspection to finished product, quality is checked a
nd monitored in the whole process. Each step of the manufacturing process is carefully documented, regularly reviewed for revision control and updatin
g standard. Quality procedures are constantly monitored and updated to assure that only the highestand most consistent quality products are supplied to our valued customers.

Application and Case

Products are used in fire protection system, water system, HVAC system, plumbing, gas system, irrigation system, etc.These products are used in many projects , such as China Taiwanese Building 101, Xiamen Building,Wuhan Expo Building and other famous landmark projects.


1. What is the minimum quantity of the order?
Answer: The purchase volume of mixed products is 4 tons

2. How long is the delivery time of the order?
Answer: The delivery time for general orders is about 30 days. If the order is urgent and we have stock, around 7 days.

3. What payment methods do you accept?
Answer: We accept payment terms such as TT, L/C, DP, Western Union, Paypal, etc.

4. Where is your departure port of shipment? Is it possible to deliver to the designated warehouse?
Answer: The port of departure of our goods is generally Tianjin Port or Qingdao Port. We can transport the goods to designated warehouses, such as Yiwu, Guangzhou, etc.

5. What certificates do your products have?
Answer: Our products have FM/UL certificates, and we cooperate with third-party quality inspection certification before the factory, such as SGS,TUV

6.What are the series of your products?
Answer: Our products are divided into heavy series, medium series and light series according to different markets and standards. In order to buy more competitive products for you, please communicate your purchasing needs with the salesperson.

7. Do product packaging cartons and labels support customization?
Answer: Packaging cartons and labels can be customized according to customer requirements.

8.Does the purchased product support customization?
Answer: The product supports customization, but there are purchase quantity requirements and mold costs. For details, please consult the salesperson.

9.What are the packaging methods of the product?
Answer: The packaging of the product includes carton packaging, pallet packaging, wooden box packaging, and woven bag packaging.