Al Dossary Valves & Actuators Offer a whole range of Ball valves in a variety of sizes, pressure ratings and materials, in wafer style, or screwed, welded or flanged connections.
A ball valve has a quarter turn spindle connected to a ball inside the valve. The ball has a hole, or port, through the middle so that when the port is in line with both ends of the valve, flow will occur. When the valve is closed, the hole is perpendicular to the ends of the valve, and flow is blocked.The handle position lets you see the valve’s position. On a floating ball type, the upstream pressure the ball against the seat, giving a tight shut off. On a trunnion mounted type, the ball is fixed; seat sealing action is achieved by the thrust of springs acting on the seat rings, as the pressure increases the fluid pressure pushes the seat rings against the ball.
Ball Valves are Strong enough & Usually work to achieve the perfect shutoff even after years of No use. Therefore Ball Valves are Perfect Choice for Shutoff Application & are often preferred to globe & Gate valve for this purpose, especially in smaller size.
However, standard ball valves do not offer the fine control that may be necessary in throttling applications, but V ported ball variations are available for control purposes. The unrestricted bore in full bore ball valves make them ideal for hot tapping andpigging.
Being a quarter turn from fully open to fully closed, and having a relatively low operating torque, ball valves can be readily actuated for remote operation.
Trunnion-mounted ball valves can be understood as quarter-turn valves that are employed to halt or re-establish media flow in a pipe. These are basically design modifications from “free-floating” ball valves, which are the most prevalent form. The trunnion ball valve features a Trunnion anchoring at the top and the bottom of the ball that helps in tight sealing. However, the purpose can only be fulfilled if you depend on the leading trunnion-mounted ball valve manufacturers in Kingdom of Saudi Arabia like us. At Al Dossary Valves & Actuators , we create premium quality products using the best quality raw materials so that the expectations of diverse industries are met.
The trunion-mounted ball valve that we manufacture at Al Dossary Valves & Actuators comes with exclusive features. From offering emergency stem sealant injection, drain and vent ports, emergency seat sealant injection, double block and bleed, a double seal on body joints, to what not – our product does it all. Furthermore, our trunnion ball valve has a fire-safe design, blow-out proof stem design, and comes with a standard anti-static device. Our talented engineers have made sure to focus on every small detail while crafting the items so that it stands up to the user’s demand. Not to mention, the products have a fine finish and a solid making as well. All these innovations together have somehow contributed to making us the best trunnion-mounted ball valve suppliers in Kingdom of Saudi Arabia.
At Al Dossary Valves & Actuators , our dedication to quality is unmatched and goes above and beyond industry norms to ensure that our customers receive only the best trunnion-mounted ball valves. Our product offers a variety of benefits including support in high-pressure applications and lower operational costs. With an experienced group of team members, we have worked hours on coming up with the most innovative trunion ball valve that fits easily for different operations.
Every little thing is focused on when manufacturing the item so that the least amount of maintenance is needed, even under difficult working conditions throughout the course of the valve life.
As the top trunnion mounted ball valve manufacturers and suppliers, our item addresses every safety, quality, and design concern that is necessary to guarantee reliable field performance.
Besides keeping environmental protection in mind, our trunion ball valves are made to operate better in a range of applications. As they have been made with premium quality steel, you can expect them to get harder and more durable with time. Additionally, we also offer customized solutions while manufacturing trunion-mounted ball valves to meet the diverse demands of the customers.
Rating: 150# : Size: 400MM Or 16Inches
Rating: 300# : Size: 400MM Or 16Inches
Rating: 600# : Size: 300MM Or 12Inches
| SIZE AND RATINGS | |
|---|---|
| VARIANTS |
|
| MANUFACTURING STANDARDS | |
|---|---|
| MFG DESIGN | BS 5351/ASME B 16.34/API 6D-ISO 14313/API 608/MSS SP 72 |
| FACE TO FACE DIMENSION As Per | ASME B 16.10 / ISO 5752 / BS 2080 / API 6D-ISO 14313 / DIN |
| END CONNECTION | ASME B 16.5/ASME B 16.25 |
1. Flexible lip seats compensate for wear and changes in pressure
2. Blow out proof stem construction
3. Antistatic devices ensure electrical continuity between ball, stem & body
4. Triple stem sealing
5. ISO 5211 top pad for simplified gear/actuator mounting
| MATERIAL | ||
|---|---|---|
| S.NO. | PART NAME | MATERIAL OPTION |
| 1 | Body & Connetion | 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 / ASTM A 351 Gr CN7M, CK20, CD4MCU CF8C, CD3MA352, CA6NM , LCA, LCC , LC3, LC4, LC9 |
| 2 | Ball | ASTM A 351 CF8 / A 351 CF8M / A 182 F304 / A 182 F316 / A 182 F 6a / ASTM A 351 Gr CF8,CF8M,CF3,CF3M,CN7M,CK20,CD4MCU,CF8C,CD3M |
| 2.1 | stem | ASTM A 479 TYPE SS410,SS304,SS316,SS304L,SS316L |
| 3 | Body Seal | PTFE / Graphoil / Spiral Wound SS 316 wITH Graphoil |
| 4 | Seats | PTFE / GET / Graphite filled PTFE / /-ASTM A 479 TYPE SS410,SS304,SS316,SS304L,SS316L RPTFE/NYLON/PEEK |
| 5 | Gland Bush | ASTM A 182 F304 / A 182 F316 / A 182 F 6a / ASTM A 479 TYPE SS410,SS304,SS316,SS304L,SS316L |
| 6 | Gland Packing | Graphoil / PTFE |
| 7 | Stem Packing | Graphite fILLED PTFE / Graphoil |
| 8 | Stem Nut | Stainless Steel / A194 GR 2H,A194 Gr 8,A194 Gr 8M |
| 9 | Lever | SS/MS WITH PVC SLEEVE |
| 10 | Studs / Bolts | ASTM A 193 B7 / A 193 B7M / A 193 B8 / A 193 B8M / A 320 L7 |
| 11 | Nut | ASTM A 194 2H / A 194 B7M / A 194 B / A 194 8M / A 194 4/7 |
| 12 | TRUNNION | ASTM A 216 Gr WCB/A351 Gr CF8/CF8M/CF3/CF3M |
| 13 | VENT | STAINLESS STEEL |
| 14 | DRAIN | STAINLESS STEEL |
| 15 | SEAT SPRING | INCONEL X-750 |
| 15 | O RING SEAT RETAINER | VITON/NBR/EPDM |