Flange Welding Neck RF SUS304 316 Stainless Steel 150# 300# Wnrf Flanges

Update: Nov. 16th, 2024

What CNCJ Offer? 

Product Description

Detailed Photos

STAINLESS STEEL FLANGE
Material	Stainless Steel: SS304, SS316, SS304L, SS316L, SS321, SS310 ,1.4401, 1.4403 Duplex Stainless Steel: 9041L 2205, 2507, 254SMO, etc
Type	Plate, Slip-on , Welding Neck, Blind, Threaded, Socked Weld, Loose, RTJ
Class	150# 300# 400# 600# 900# 1500# 2500# PN6 PN10 PN16 PN25 PN40 PN63 5K 10K 20K 30K
Standard	ANSI/ASME B16.5, BS4505, GOST12820-80, DIN, UNI, EN1092-1, JIS/KS, SABS/SANS, AS, ISO, API etc
Size	1/2"NB to 48"NB
Connection	RF FF RTJ
Application	For Water, Oil and Gas Industrial
Certificate	CE / ISO / SGS

 

 

Process Flow

Why Choose CNCJ?

Zhejiang Chengjiu Pipeline Co.,Ltd are a professional manufacturer located in China (We have our own factory, 100+ workers, 500+ customers, about 20 years of experience)
And we have all relevant certification CE/ ISO / SGS / BV, accept OEM, ODM. For normal and standard products, the MOQ can be 1 piece.

1. Factory direct sale
2. High quality material, industry standard
3. Rigorous quality inspection
4. Precision machining
5. Support customization
6. Reliable seller, no worries after sale

We also provide
1. FORM Certificate of Origin and other export certificates.
2. TPI (Third Party Inspection) 
3. Well-protected packing with bubble 
4. Data sheets and drawings
 

Company Profile

Cheng-jiu. We design, develop, manufacture, test and sell industry flanges, pipe fittings, including stainless steel valves.
Cheng-jiu's registration capital is 66.88 million USD. Flange's sizes can be DN10-5000 and 1/2" ~ 80", pressure from 0.25 to 42.0 Mpaand 150 lb to 2500 lb, temperature ranges from - 196ºC to 1350ºC. It is widely used in power station, nuclear power, petroleum, chemical industry, natur al gas,municipal administration, metallurgy, construction, pharmacy, paper making,coal mine, cement, pollution discharge, environmental protection, energy saving and other industries.
Our products are reliable in quality and stable in performance and are highly praised by customers.

Production Plants & Equipments
- Zhejiang Industry Zone
- Area 15000m
- 100+ CNC/NC lathes
- The annual total value of out-put 100 million USD

Quality system
- ISO9001
- CE

Firmly adhering to the principles of "high quality, high reputation, customer first, and mutual benefit" as the lifeline of enterprise

development, CNCJ deeply understands the hardships of entrepreneurship and the hard won achievements today. They

understand that only by constantly pursuing excellent quality can enterprises have endless vitality and be able to sustainably develop

and grow.

CNCJ has a modern production workshop, high-level and experienced stainless steel forged casting and welding technicians, and

advanced mechanical equipment, which can manufacture according to customer provided drawings or single line diagrams. Rich

experience and advanced technology ensure high-quality products.

Certification 

Exhibition Display

Exhibition Display

FAQ

Q: Do you accept customization? 
A: Yes. We not only can customize flanges size and also marking.

Q: What's the lead-time? 
A: Common items are stocked just need 5-7 days. Big volume order usually takes about 25-30 days. 

Q:What's your payment term? 
A: 30% L/C or T/T for deposit, balance to be paid before shipment. 

Q: How's your after sales service? 
A: Quality are promised. If our products are not meet the contract because of production, we will provide solution and take related repair cost.