Duplex stainless steel 5A renewable seat ring gate valve

size: 4"
Pressure rating:150#
connection: RF
Body material: A890 J93404 (A890 5A)
body bonnet connection:Bolted bonnet
stem material: A182 532750
Stem type: Rising stem. Outside screw and yoke
seats material:A182 S32750
Handwheel material:SS304
Types of Disk:Flexible wedge
Features:With locking device
Standard: NACE MR0175

Construction

Bolted Bonnet 
Fire Safe Design
OS&Y
Solid, Flexible Wedge Design
Back-seating, Renewable Seat Ring

Normal Size Range
DN50~DN900, 2"~36"

Normal Pressure Rating
PN10~PN420, CLASS150~2500

Main Part & Materials

Kaitai Valve Group is headquartered at Shanghai China, occupying over 35 thousands square meters. The registration capital of the whole Group comes to RMB 11321 Millions. With an experience of about 30 years in manufacturing all kinds of valves, Kaitai specializes in designing, making and marketing valves for all industries. Its products range from Ball, Butterfly, Gate, Globe, Check, Plug valves to Marine valves and other valves; nominal size from 1/2" to 48"(DN 15 to DN 1200) nominal pressure form 150 Lb to 2500Lb(PN1.0Mpa to PN42.0Mpa); materials cover WCB.. WCC. WC6. WC9, CF8, CF3, CF3M,LCB,LCC. SS304,SS316,SS304L,SS316L, F11, F22, LF2, F51, etc.The products are widely used in the fields of petroleum, chemical metallurgy, power, fuel gas, city pipeline networks and so on. Certificated with ISO9001. API6D.CE/PED and etc.. Kaitai has developed excellent quality control and management system.
Kaitai has a series of modern machines and equipment such as vertical lathes, drill press, milling lathe, grinding machine, other general machine tools and physical & chemical analysis & experiment devices. Also it has developed a well-trained and dedicated team including engineers, technicians and other employees. This allows us to offer customers quality products, competitive prices and prompt deliveries. We always work hard to improve our existing products and pursue new ideas and ways to stay ahead of the ever changing market.

1. Q: Are you a trader or manufacturer? 
    A: We are an industrial valve manufacturer since 1989. Our manufacturer scope covers ball valves, gate valves, globe valves, check                              valves, plug valves, butterfly valves, safety valves,bellows valve, needle valves & knife gate valves etc, and we also have good partners in                  Worm Gear, Electrical Actuator and Pneumatic Actuator,which mean we could offer one-stop valve solutions for you.

2. Q: What kind of certification do you have?
    A:  We have API 6D, API600, API602, API609, API 607&API 6FA, ISO9001, ISO14001, OHSAS18001, CE&PED, SIL,and ISO15848 certification.  

3. Q: How long is your delivery time?
    A: Generally it is about 45~60 days. For some urgent order, delivery can be made within 30days if there are raw material stock.

4. Q: Do you provide samples?
    A:  Yes, samples are available upon request. 

5. Q: What about OEM products? 
    A: We accept OEM orders and put great value on keeping our customers satisfied by providing quality products with competitive prices and                     excellent service.

6. Q: Can you produce the products according to customer's special requirements and drawings?
    A: Yes, customization can be made as per specific case.

7. Q: How long is your guarantee period?
     A: Generally 12 months after installation or 18 months after shipment, whichever comes first. 

Welcome to come to us at any time  if you have any valve needs! We will respond to you within 0-24 hours.