Ball Valves Seat Variations - Duhig

1 BULLETIN T-624. ball Valves Seat Variations Standard Seats T R A U P. PTFE 15% Glass Filled PTFE TFM UHMWPE NRG. C K L Y S. PCTFE PEEK VIRGIN PEEK DELRIN VESPEL. SRS SRS. H J A P. VX1 25% Glass Filled PTFE TFM NRG. Cavity Filler Seats One piece seat and seal to minimize body cavity voids T R A U. PTFE 15% Glass Filled PTFE TFM UHMWPE. Diverter Seats One piece seat & seal for diverter and double block & bleed Valves T R A U P. PTFE 15% Glass Filled PTFE TFM UHMWPE NRG. I n d u s t r i a l Va l v e s & A c t u a t o r s Materials: Pressure / Temperature Rating*. TPTFE J R Glass Filled PTFE H VX1 P NRG. T VIRGIN PTFE U UHMWPE C PCTFE A TFM. Inert to most chemicals, low coefficient of friction, recommended for water, foodstuff and corrosive chemicals.

2 FDA grade. Colour: White lb/in2 bar 1595 110. U R JA P H. J 25% GLASS FILLED PTFE 103. 1400 100. Similar to 15% glass filled PTFE seats but better resistance to wear and deformation under load. 90. Colour: Gray-White with red stripe 1200 -270 C. 80 -450 F. R 15% GLASS FILLED PTFE Class 600. 70 C T. 1000 70. Pressure Withstands higher pressures than virgin PTFE. 69. Good resistance to wear and deformation under load. Colour: Off-White with blue stripe 60. 800. H GLASS & METAL OXIDE 50. FILLED PTFE - VX1 600. 40. Class 300. Withstands higher temperatures and pressures than filled PTFE, good resistance under load, 400 30. not recommended for foodstuff. Colour: Blue 20 THERMAL.

3 P CARBON FILLED PTFE - NRG 200 FLUID Class 150. Specially for steam and thermal oil, low 10. coefficient of friction, inert to most media. lb/in 0 2. 0 bar Colour: Pale Black with white stripe 93 230 260 320. C -40 0 50 100 150 200 250 300 350. U ULTRA HIGH MOLECULAR WEIGHT. POLYETHYLENE (UHMWPE) Temperature Good for nuclear, Tobacco, H2SO4 and F -40 0 50 100 150 200 250 300 350 400 450 500 550 600 650 662. chemical resistance applications, low coefficiant of friction. Temperature limit of 80 C. Colour: Pale White with green stripe Y DELRIN T L. K PEEK S VESPEL. C PCTFE. Cryogenic applications such as oxygen, hydrogen, lb/in2 bar nitrogen and more, suitable for temperatures up to 450.

4 6527. -260 C. Colour: See-through White 425 Y L K. 410. A TFM (Modified PTFE) 6000. 400. TFM is a chemically modified PTFE that offers 5500 375. enhanced properties while retaining all the proven advantages of conventional PTFE. FDA grade. 350. Color: white with brown stripe. 5000. Class 2500. 325. Y ACETAL RESIN (DELRIN ) 4500. 300. Suitable for high pressures, good resistance to 4000 275. Pressure wear and deformation under load, temeprature limit 80 C. 250. Must not be used in presence of oxygen. 3500. 225 S. Colour: Creamy White with black stripe 210. 3000 200 Class 1500. K CARBON FILLED PEEK 175. 2500. Suitable for elevated temeperatures, good resistance under high pressure loads, low 150.

5 2000. coefficient of friction, suitable for many corrosive 125. applications. Colour: Charcoal Black with yellow stripe 1500 100. L VIRGIN PEEK 75. 1000. Similar to filled PEEK but higher coefficient of 50. friction, suitable for nuclear, Tobacco, clean 500. applications. FDA grade. Colour: Beige 25. lb/in2 0 0 bar S VESPEL 80 260 350. Vespel is a polyimide material that has high C -40 0 50 100 150 200 250 300 350. temperature capabilities under load and is mainly Temperature used for heat transfer applications, hot gases and oils. Vespel must not be used with STEAM or F -40 0 50 100 150 200 250 300 350 400 450 500 550 600 650 662. media containing WATER or WATER VAPOR.

6 Color: brown. DELRIN is a registered trademarks of DuPont, VESPEL is a registered trademark of DuPont, TFM is a trademark of Dyneon, PEEK is a trademark of VICTREX. *bodyTheandgraphseatlines represent the maximum pressure / temperature rating of the seat material. When selecting a seat material, the lower rating between the valve should be considered. For more information please contact Habonim. ISSUE HA 07/05. HABONIM. I n d u s t r i a l Va l v e s & A c t u a t o r s Habonim Industrial Valves & Actuators Te l : 8 6 6 - 2 6 1 - 8 4 0 0 F a x : 8 6 6 - 2 4 3 - 9 9 5 9. E-Mail: THE STANDARDS INSTITUTION OF ISRAEL.