Mechanical Joint x Mechanical Joint End Resilient Wedge NRS Gate Valve Z45-300MJA

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 Mechanical Joint x Mechanical Joint End Resilient Wedge NRS Gate Valve Z45-300MJA? What are his design and connection standards?
The Mechanical Joint x Mechanical Joint End Resilient Wedge NRS (Non-Rising Stem) Gate Valve Z45-300MJA is a specific type of gate valve designed for applications where both ends feature mechanical joints. Let’s delve into its design and connection standards:
1.Mechanical Joint Ends:
Both Ends: In this valve, both ends are equipped with mechanical joints. Mechanical joints typically involve grooved or threaded connections, providing flexibility and ease of installation.
Non-Rising Stem: The non-rising stem design means that the stem of the valve does not move vertically during operation, which can be advantageous in applications with limited vertical space.
2.Resilient Wedge:
The resilient wedge design includes a flexible wedge made of materials like rubber or EPDM. This design ensures a tight seal, even in the presence of debris or sediment in the pipeline.
Connection Standards:
3.Mechanical Joint Standards:
The mechanical joints on both ends should adhere to industry standards for the specific type of mechanical joint used. This may include standards set by organizations like the American Water Works Association (AWWA) or other relevant standards for grooved or threaded connections.
ANSI/ASME Standards:
1.Flange and bolt dimensions, if applicable, may adhere to ANSI/ASME standards, such as ANSI/ASME B16.1 or ANSI/ASME B16.5.
AWWA Standards:
2.Valves designed for water distribution systems often comply with AWWA standards, such as AWWA C509 or AWWA C515, depending on the valve type and application.
3.Material Standards:
Materials used in the valve construction should comply with relevant ASTM (American Society for Testing and Materials) standards to ensure durability and corrosion resistance.
1.Prepare Pipes:
Ensure that the pipes are cut and prepared to accommodate the mechanical joint connections. If threaded connections are used, ensure proper threading of the pipes.
2.Connect the Valve:
Use the specified mechanical joint method to connect the valve to the pipes on both ends. This may involve grooving or threading, depending on the design.
Conduct thorough testing to ensure the valve functions correctly and there are no leaks.
Adhere to relevant industry standards and codes for the specific application and location.Always refer to the manufacturer’s documentation for detailed guidelines related to the Mechanical Joint x Mechanical Joint End Resilient Wedge NRS Gate Valve Z45-300MJA.
If you have specific questions about standards or installation procedures, consulting with the manufacturer or a qualified professional is recommended.

Product Drawing

Size DN L D H
22” 65 190 178 292
3” 80 203 191 322
4” 100 229 229 342
5” 125 254 254 412
6” 150 267 279 448
8” 200 292 343 534
10″ 250 330 406 635
12″ 300 356 483 720
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 Bonnet Ductile Iron
8 Stem Stainless Steel 304 or Steel 1045
9 Plug Stainless Steel 304 or Steel 1045
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.