Specifications
| MODEL NUMBER | NOM. ID | FLANGE TYPE | CONDUCTANCE (molecular-l/sec.) | A | B | C | D | E | F | G |
| GV-1502-NW | 11/2 | NW-40 | 98 | 4.69 | 3.40 | 1.99 | 2.00 | 3.61 | 3.31 | 2.45 |
| GV-1502-CF | 11/2 | 2.75 CF | 130 | 4.69 | 3.40 | 2.03 | 2.00 | 3.61 | 3.31 | 2.45 |
| GV-2002-NW | 2 | NW-50 | 220 | 5.60 | 4.12 | 1.99 | 2.00 | 3.61 | 3.81 | 2.96 |
| GV-2002-CF | 2 | 3.38 CF | 300 | 5.60 | 4.12 | 2.28 | 2.00 | 3.61 | 3.81 | 2.96 |
| GV-2502-CF | 21/2 | 4.50 CF | 520 | 6.50 | 4.81 | 2.40 | 2.00 | 3.61 | 4.37 | 3.52 |
| GV-2502-ASA | 21/2 | ASA-6* | 610 | 6.50 | 4.81 | 2.03 | 2.00 | 3.61 | 4.37 | 3.52 |
| GV-2502-ISO | 21/2 | ISO-63 | 610 | 6.50 | 4.81 | 2.03 | 2.00 | 3.61 | 4.37 | 3.52 |
| GV-2502-ISO-OF | 21/2 | ISO-63-OF | 320 | 6.50 | 4.81 | 3.46 | 2.00 | 3.61 | 4.37 | 3.52 |
| GV-3002-CF | 3 | 4.62 CF | 840 | 7.70 | 5.77 | 2.53 | 2.00 | 3.61 | 4.94 | 4.28 |
| GV-3002-ASA | 3 | ASA-7.5* | 1,070 | 7.70 | 5.77 | 2.03 | 2.00 | 3.61 | 4.94 | 4.28 |
| GV-3002-ISO | 3 | ISO-80 | 1,070 | 7.70 | 5.77 | 1.97 | 2.00 | 3.61 | 4.94 | 4.28 |
| GV-3002-ISO-OF | 3 | ISO-80-OF | 550 | 7.70 | 5.77 | 3.84 | 2.00 | 3.61 | 4.94 | 4.28 |
| GV-4002-CF | 4 | 6.00 CF | 1,700 | 10.76 | 8.13 | 2.97 | 3.11 | 7.90 | 7.00 | 5.65 |
| GV-4002-ASA | 4 | ASA-9* | 2,100 | 10.76 | 8.13 | 2.41 | 3.11 | 7.90 | 7.00 | 5.65 |
| GV-4002-ISO | 4 | ISO-100 | 2,100 | 10.76 | 8.13 | 2.41 | 3.11 | 7.90 | 7.00 | 5.65 |
| GV-4002-ISO-OF | 4 | ISO-100-OF | 1,400 | 10.76 | 8.13 | 4.25 | 3.11 | 7.90 | 7.00 | 5.65 |
| GV-6002-CF | 6 | 8.00 CF | 5,400 | 14.07 | 10.64 | 3.17 | 3.11 | 7.90 | 8.75 | 7.55 |
| GV-6002-ASA | 6 | ASA-11* | 7,100 | 14.07 | 10.64 | 2.41 | 3.11 | 7.90 | 8.75 | 7.55 |
| GV-6002-ISO | 6 | ISO-160 | 7,100 | 14.07 | 10.64 | 2.36 | 3.11 | 7.90 | 8.75 | 7.55 |
| GV-6002-ISO-OF | 6 | ISO-160-OF | 4,000 | 14.07 | 10.64 | 4.25 | 3.11 | 7.90 | 8.75 | 7.55 |
| GV-8002-CF | 8 | 10.00 CF | 12,200 | 18.42 | 13.93 | 3.35 | 3.11 | 7.90 | 11.25 | 10.02 |
| GV-8002-ASA | 8 | ASA-11* | 14,500 | 18.42 | 13.93 | 2.76 | 3.11 | 7.90 | 11.25 | 10.02 |
| GV-8002-ISO | 8 | ISO-200 | 15,200 | 18.42 | 13.93 | 2.66 | 3.11 | 7.90 | 11.25 | 10.02 |
| GV-8002-ISO-OF | 8 | ISO-200-OF | 9,500 | 18.42 | 13.93 | 4.25 | 3.11 | 7.90 | 11.25 | 10.02 |
| GV-10002-CF | 10 | 12.00 CF | 24,900 | 24.04 | 18.30 | 3.65 | 8.98 | 12.00 | 13.44 | 11.99 |
| GV-10002-ASA | 10 | ASA-16* | 24,800 | 24.04 | 18.30 | 3.15 | 8.98 | 12.00 | 13.44 | 11.99 |
| GV-10002-ISO | 10 | ISO-250 | 26,900 | 24.04 | 18.30 | 3.15 | 8.98 | 12.00 | 13.44 | 11.99 |
| GV-10002-ISO-OF | 10 | ISO-250-OF | 15,400 | 24.04 | 18.30 | 5.51 | 8.98 | 12.00 | 13.44 | 11.99 |
| GV-12002-CF | 12 | 14.00 CF | 34,600 | 28.89 | 22.03 | 3.89 | 8.98 | 12.00 | 15.90 | 14.28 |
| GV-12002-ASA | 12 | ASA-16* | 42,800 | 28.89 | 22.03 | 3.15 | 8.98 | 12.00 | 15.90 | 14.28 |
| GV-12002-ISO | 12 | ISO-320 | 42,800 | 28.89 | 22.03 | 3.15 | 8.98 | 12.00 | 15.90 | 14.28 |
| GV-12002-ISO-OF | 12 | ISO-320-OF | 24,500 | 28.89 | 22.03 | 4.67 | 8.98 | 12.00 | 15.90 | 14.28 |
| *Note: All ASA flanged valves are provided without O-ring grooves. Grooves can be provided on request. | ||||||||||
Specifications - Elastomer Sealed Manual
| SPECIFICATIONS |
| General: Nominal IDs: 1-1/2 to 12 inch Helium leak rate: <= 2×10-9 std.cc./sec. |
| Materials: Body: 304 SS vacuum furnace brazed body Bellows: Welded AM-350 O-ring: Viton standard Other compounds available |
| Finish: Electropolished inside and out |
| Maximum pressure differential at opening 4 inch ID or smaller: 760 Torr on gate side, 20 Torr on carriage side Greater than 4 inch ID: 20 Torr either direction Closed: 760 Torr in either direction |
| Vacuum range: Viton Seal Bonnet: >= 1 x 10-9 Torr Copper Seal Bonnet: >= 1 x 10-10 Torr |
| Temperature range: Viton Seal Bonnet: <= 150°C Copper Seal Bonnet: <= 200°C with CF flanges and gate in open position |
| Pneumatically actuated: Normall closed 120V, 50/60Hz air solenoid, standard, Maximum 80 psig operating air pressure, standard. (Higher operating pressures available upon request) Reed-switch position indicator, standard |
| Manually actuated: Acme threads for fewer turns |
| Thermal: Heater jackets and controllers available. Call for information and pricing |
| Options: Micro-switch O-rings Air solenoids heater jackets |
