Hot Sale Pipe Fitting Plumbing Compensator Double Flange Di Ductile Iron Joints

Product Description

Our grooved coupling pipe fittings are crafted from high - quality ductile iron, conforming to ASTM A536 standards. Ductile iron is renowned for its exceptional mechanical properties. It combines the strength of cast iron with the malleability of steel, making it an ideal material for applications that require durability and resistance to harsh conditions. The unique graphite microstructure in ductile iron provides excellent shock absorption capabilities. This means that in the event of sudden pressure surges or vibrations, which can occur during a fire emergency when water is being rapidly pumped through the system, the fittings can withstand these forces without cracking or failing. Additionally, ductile iron has a high resistance to corrosion. In fire fighting systems, where the pipes are often exposed to moisture and sometimes even corrosive substances in the water, the corrosion - resistant nature of ductile iron ensures a long - lasting service life. This reduces the need for frequent replacements and maintenance, ultimately saving costs in the long run.

We use EPDM (Ethylene - Propylene - Diene Monomer) gaskets in our grooved coupling pipe fittings. EPDM is a synthetic rubber that has excellent resistance to a wide range of environmental factors. It is highly resistant to water, which is obviously a key requirement in fire fighting systems where the fittings will be constantly in contact with water. EPDM also has good resistance to ozone, sunlight, and temperature variations. This means that the gaskets can maintain their elasticity and sealing properties over a long period, even when exposed to harsh outdoor conditions or fluctuating temperatures within a building. The chemical resistance of EPDM is another important factor. In some cases, fire - suppressing agents may contain chemicals that could potentially degrade the gasket material. However, EPDM's resistance to a variety of chemicals ensures that the gaskets remain effective and do not compromise the integrity of the connection.

SPECIFICATIONS FOR GROOVED COUPLINGS AND FITTINGS
MATERIAL	Ductile iron QT450-12 ,Ductile Iron to ASTM A536
CERTIFICATE	FM UL CE CUL ISO
PRESSURE	300PSI   2.5MPA
THREAD TYPE	BSPT   NPT
SURFACE TREATMENT	PAINT, EPOXY, GALVANIZED, DACROMET
DELIVERY TIME	Normally within 15-30 days
PAYMENT TERMS	T/T, LC

Main Features:
1) Ductile iron ASTM A536 GRADE 65-45-12
2) FM,UL ,CE,IOS,CUL CERTIFICATES
3) EPDM RUBBER GASKET 
4) PAINT RAL-3000,ORANGE,GALVANIZED 
5) 300PSI ,500PSI ,2.5MPA

• Unparalleled Quality: With FM approval, UL listing, and strict in - house quality control, our fittings are of the highest quality. The use of premium materials and advanced manufacturing processes ensures long - lasting performance and reliability.

• Versatile Applications: Our fittings are suitable for a wide range of fire fighting system applications, from sprinkler systems to standpipe systems. The availability of different sizes and types of couplings provides flexibility in system design and installation.

• Technical Expertise: Our team of experts can provide you with professional technical support, from product selection to after - sales service. We are committed to helping you make the right choices for your fire fighting system needs.

• Efficient Delivery: We have a reliable shipping network that ensures prompt delivery of our products. Our ability to meet tight deadlines makes us a preferred choice for projects with time - sensitive requirements.

• Competitive Pricing: Despite our high - quality standards, we offer our products at competitive prices. We strive to provide our customers with the best value for their investment.

Pre-Sales Service:
* Inquiry and consulting support. 
* Sample testing support. 
* View our Factory.

After-Sales Service:
* Training how to instal the machine, training how to use the machine. 
* Engineers available to service machinery overseas.
* Attend exhibition