Standard material specifications
No. part name CS to ASTM as to ASTM ss to ASTM
type a105 type f22 type f304(l) type f316(l)
1 body a105 a182 f22 a182 f304(l) a182 f316(l)
2 disc a276 420 a276 304 a276 304(l) a276 316(l)
3 stem a182 f6 a182 f304 a182 f304(l) a182 f316(l)
4 gasket corrugated ss + graphite ss + PTFE
5 bonnet a105 a276 304 a276 304(l) a276 316(l)
6 bonnet bolt a193 b7 a193 b16 a193 b8 a193 b8m
7 stem packing flexible graphite PTFE
8 gland a276 410 a182 f304(l) a182 f316(l)
9 gland flange a216 wcb a351 cf8
10 handwheel a197
11 nameplate ss
12 h. W. Nut a194 2h a194 4 a194 8 a194 8m
13 yoke nut a276 410
14 gland nut a194 2h a194 4 a194 8 a194 8m
15 gland eyebolt a193 b7 a193 b16 a193 b8 a193 b8m
16 pin a276 420 a276 304
Suitable medium w. O. G. etc w. O. G. etc hno3, CH3ooh etc
Suitable temperature -29 425 -29 550 -29 180
Note: Other materials are available upon request.
Dimensions (mm) and weights (kg)
Nps 1/2~ 3/4~ 1~ 1-1/4~ 1-1/2~ 2~
L 98 111 120 140 140 170
H(open) 175 215 254 305 305 365
W 100 125 160 160 180 200
Weights 5 6.3 7.6 9.8 13.8 14.0
Zhejiang Fangwen Special Steel Co., Ltd. Is a scientific enterprise which integrates valve casting, design, manufacture, sale and service together. It is located in Binhai Economic Development Zone of Wenzhou, 8 kms away from Wenzhou airport, covers 20, 000 square meters. There are 350 employees in the company now. The annual total output value of our company is always more than 34 million USD in the recent years.
The main products are ball valve, gate valve, globe valve, check valve, strainer under the high and medium pressure etc. Materials include Stainless Steel, WCB, Titanium, Nickel, Hastelloy, Monel, Aluminium Bronze, Duplex Stainless Steel and so on. They can be made according to American standard, British standard, German standard, Japanese standard and other related standards. And they are widely used in petrochemical, food, pharmaceutical and other industries. We have exported them to the U. S., Europe, Russia, Middle East and Southeast Asia markets etc. They have been received good reputation by a large quantity of customers because of the reliability and stability.
Fangwen has scientific management. It has passed ISO9001: 2008 international quality system certification, Korea Certification, PED CE safety certification EU Pressure Equipment Directive, API-6D American Petroleum Institute certification, TS pressure pipe valve manufacturing license certification.
The company has the assorted workshops of casting, machining, assembly, testing. There are complete production processes which are smelting, wax model, casting, machine processing. With large sets of casting equipment, hydraulic equipment, machinery processing equipment, numerical control machine tools, vertical, horizontal machining centers, precision measuring instruments and testing devices. We also have high-tech test equipments, such as Shimadzu spectrophotometer and the United States imported portable spectrum analyzer alloy, high-speed ignition infrared carbon-sulfur analyzer, ultrasonic Lee hardness tester, ultrasonic thickness gauge, hydraulic universal testing machine, and a series of dimensional accuracy testing and analysis of the internal microstructure and other non-destructive flaw detector, we has achieved the aim that controlling the quality of the product manufacturing process perfectly.
Fangwen has always insisted on the development strategy which is "people-oriented, technological innovation, integrity management and brand guarantee", we serve the society with high-quality products and perfect services and Committed to the development of national industries.
We sincerely hope to cooperate with the customers all over the world and make more brighter future.
