S S Ball Valve 2pc - Flange End Manufacturers In India
Features
- Free floating ball design provides seat wear compensation and longer life.
- Provide fire safe design as per APO 607 / API 6FA / BS 6755-II with single point contact seat design.
- Blow out proof and Anti blow out stem construction.
- Micro-finished ball provides a positive seal.
- Straight through flow path for minimum pressure drop.
- Bi-directional flow.
- 90° (Quarter-turn) actuation.
- Wide selection of seat materials.
- Extended stem/extended bonnet design as per customer's specific pipe line usage.
- Antistatic devices ensure electrical continuity between Body, ball & stem.
- Triple stem seal with accurate stem.
- Handle indicates flow direction.
- Valves meet the requirements of fugitive emission levels shell category B as per MESC SPE 77/312.
- ISO 5211 top mounting pad for simplified gear / actuator in 150#, 300# & 600# as optional in only flanged end design.
- Variety of end connections.
Design Feature
Fire Safe:
- Fire safe confirming to API 607 / API 6FA / BS-6755 part II assures highest standard of safety.
- Certified by customer's inspectors and independent certifying authorities.
Antistatic Device:
- Antistatic devices are built in the valve stem to ensure electrical continuity between ball, stem and body. Thus providing greater safety while handling volatile media.
- Higher size ball valves are designed with stem bearing to absorb radial loading on the stem.
- Multiple stem sealing ensures high degree of sealing.
Technical Details of Seat Material
| Material |
Temperature Range |
General Use |
Not Recommended For |
Properties |
| PTFE |
-40°C to 205°C |
Most of the chemicals, acids, alkalis |
High abrasive media, Fluorides, Chlorides, High mechanical loading |
Self lubrication, Low friction, thermal stability. |
| CPTFE |
-100°C to 200°C |
Same as PTFE, better mechanical loading compound to PTFE |
High abrasive media, Fluorides, Chlorides, High mechanical loading |
Self lubrication, Low friction, thermal stability. |
| NYLON |
-50°C to 120°C |
Hydrocarbons, ether, weak alkali acids, acetone |
Strong acids, alkali, Sodium hydroxide, Ammonia |
High strength, rigidity, self lubricating, good abrasion resistance |
| PEEK |
-50°C to 260°C |
Good chemical resistance for most of the chemicals, including alcohols, acids, ammonia, organic, hydrocarbons |
Nitric, sulfuric acids, aqua regia, bromine, chlorine, fluorine |
Very good high temperature performance, wear resistance, low toxic emission. |
| Part Name |
Material Option |
| Body |
ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB |
| Side Piece |
ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB |
| Ball |
ASTM A 351 CF8 / A 351 CF8M / A 182 F304 / A 182 F316 / A 182 F6a |
| Body Seal |
PTFE / Graphoil / Spiral Wound SS 316 with Graphoil |
| Seats |
PTFE / PTFE / GFT / CFT |
| Stem |
ASTM A 182 F304 / A 182 F316 / A 182 F6a |
| Gland Bush |
ASTM A 182 F304 / A 182 F316 / A 182 F6a |
| Gland Packing |
Graphoil / PTFE |
| Stem Packing |
Graphite filled PTFE / Graphoil |
| Gland Nut |
Stainless Steel |
| Stem Nut |
Stainless Steel |
| Lever |
Carbon Steel with PVC / Stainless Steel |
| Disc Spring |
Carbon Steel |
| Studs / Bolts |
ASTM A 193 B7 / A 193 B7M / A 193 B8 / A 193 B8M / A 320 L7 |
| Nut |
ASTM A 194 2H / A 194 B7M / A 194 B / A 194 8M / A 194 4/7 |
- For low temperature and cryogenic services extended bonnet available as per BS 6364. Locking arrangement.
- Different types of operating selections are available in Gear, Electrical and Hydraulic or Pneumatic actuator.
- Soft seats are recommended for service temperature up to 260°C
Ball Valve (150 #)
Ball Valve (300 #)
Note: ISO 5211 top mounting pad for simplified Gear / Actuator in 150#, 300# as an optional in only flanged end design.
Dimension and other engineering data are subjected to change without notice.
Other flange drilling also available on request.
