WFHSH In Stock 4″ Flexible Couplings Grooved Pipe Fitting for Fire Protection Great Ductile Iron Pipe Fitting
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WFHSH In Stock 4" Flexible Couplings Grooved Pipe Fitting for Fire Protection Great Ductile Iron Pipe Fitting
The WFHSH In Stock 4" Flexible Couplings Grooved Pipe Fitting is a high-quality product designed for fire protection systems. It is made of durable and strong Ductile Iron material, ensuring its reliability and longevity. The couplings are specifically designed for easy and efficient connection between pipes in a grooved system. The grooved head code allows for secure and leak-proof connections.
With a pressure rating of 2.5MPa, the couplings can withstand high pressure without any compromise on performance. They are tested and certified to meet the FM UL standards, ensuring their compliance with industry regulations and safety standards.
The couplings come in a range of colors including Red, Orange, Blue, Grey, and White, allowing for easy identification and organization of different pipe systems. The painted surface provides additional protection against corrosion and enhances the overall aesthetic appearance.
Installation of the WFHSH In Stock 4" Flexible Couplings Grooved Pipe Fitting is straightforward and can be done using basic tools. Regular maintenance is recommended to ensure optimal performance and longevity. In case of any damage or wear, the couplings can be easily replaced to maintain the integrity of the fire protection system.
Advantages of the WFHSH In Stock 4" Flexible Couplings Grooved Pipe Fitting:
- High-quality construction for durability and reliability
- Easy and efficient connection between pipes
- Secure and leak-proof grooved head code
- Suitable for high-pressure applications
- Tested and certified to meet industry standards
- Range of colors for easy identification
- Painted surface for corrosion protection
FAQ:
1. Are these couplings suitable for all types of fire protection systems?
2. Can the couplings be used with pipes of different materials?
3. What is the minimum and maximum size of the couplings available?
4. Do the couplings require any special tools for installation?
5. How long does it take to deliver the couplings after placing an order?
Ever-Power Group mainly supplies various cast iron products used in the industry, such as Grey Cast Iron, Ductile Cast Iron, Alloy Steel Casting, Stainless Steel Casting, Carbon Steel Casting, Corrosion Resistant Steel Casting, Aluminum Pressure Die Casting, Aluminum Gravity Die Casting, Aluminum Sand Casting, Aluminium Alloy Casting, Refractory Steel Casting, Copper alloy casting, Zinc alloy casting, Sand Casting, Green Sand Casting, and more. We offer high-quality products, competitive prices, and excellent customer service. We welcome customers to contact us for customized orders based on drawings or samples.
Product Quick Detail:
- Standard and non-standard available
- With high quality and competitive price
- Prompt delivery
- Packing as per customer’s demand.
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port






