Series 66 direct acting step-down regulator is widely used in burner cont?rol, gas seal system of storage tank and other applications requiring precise cont?rol of low-pressure industrial gas. In addition, series 66 direct acting vacuum application equipment is equipped with vacuum regulator and vacuum circuit breaker structure.
66 系列直接作用式降压调压器广泛应用于燃烧器控制、储罐气封系统及其他需要精确控制低压工业气体的应用，此外，66 系列直接作用式真空应用设备同时带有真空调压器和真空断路器结构。Fisher™费希尔66 系列直接作用式调压器
Fisher ™ 66 series direct acting spring pressure range
Spring Ranges to 1-1/2 psig
BODY SIZE, NPS | BODY CLASS AND ENDCONNECTION | FS NUMBER FOR SPRING RANGE |
4 to 11 Inches w.c.(1) | 8 to 28 Inches w.c.(1) | 2 to 5 Inches w.c. | 4 to 8 Inches w.c. | 7 to 12 Inches w.c. | 10 to 17 Inches w.c. | 14 to 28 Inches w.c. | 3/4 to 1-1/2 Psig（2） |
2 | NPT | 66-501 | 66-521 | 66-500 | 66-502 | 66-503 | 66-504 | 66-505 | ★66-543 |
2 | CL 125FF | 66-506 | 66-522 | 66-507 | 66-508 | 66-509 | 66-510 | 66-511 | ★66-544 |
3 | CL 125FF | 66-531 | 66-512 | 66-513 | 66-532 | 66-514 | 66-533 | 66-515 | ★66-545 |
4 | CL 125FF | 66-541 | 66-516 | 66-517 | 66-542 | 66-518 | 66-519 | 66-520 | ★66-546 |
1. Must have 1 psi minimum differential. 2. Heavy plate construction. |
Spring Ranges Greater Than 1-1/2 psig
BODY SIZE, NPS | BODY CLASS AND ENDCONNECTION | SPRING RANGE，psig |
1 to 2(1) | 1-1/2 to 3(1) | 3 to 5(2) |
2 | NPT | ★66-547 | ★66-548 | ★66-549 |
2 | CL 125FF | ★66-550 | ★66-551 | ★66-552 |
3 | CL 125FF | ★66-553 | ★66-554 | ★66-555 |
4 | CL 125FF | ★66-556 | ★66-557 |
|
Fisher™费希尔66 系列直接作用式调压器弹簧压力范围
弹簧范围2"WC到1-1/2psig
阀体尺寸 NPS |
阀体和端部连接 | 弹簧范围的FS编号 |
4 to 11 Inches w.c.(1) | 8 to 28 Inches w.c.(1) | 2 to 5 Inches w.c. | 4 to 8 Inches w.c. | 7 to 12 Inches w.c. | 10 to 17 Inches w.c. | 14 to 28 Inches w.c. | 3/4 to 1-1/2 Psig（2） |
2 | NPT | 66-501 | 66-521 | 66-500 | 66-502 | 66-503 | 66-504 | 66-505 | ★66-543 |
2 | CL 125FF | 66-506 | 66-522 | 66-507 | 66-508 | 66-509 | 66-510 | 66-511 | ★66-544 |
3 | CL 125FF | 66-531 | 66-512 | 66-513 | 66-532 | 66-514 | 66-533 | 66-515 | ★66-545 |
4 | CL 125FF | 66-541 | 66-516 | 66-517 | 66-542 | 66-518 | 66-519 | 66-520 | ★66-546 |
1.蕞小压差必须为1 psi。 2.厚板结构。 |
弹簧范围大于1-1/2psig
阀体尺寸, NPS |
阀体和端部连接 | 弹簧压力范围，psig |
1 - 2(1) | 1-1/2 - 3(1) | 3 - 5(2) |
2 | NPT | ★66-547 | ★66-548 | ★66-549 |
2 | CL 125FF | ★66-550 | ★66-551 | ★66-552 |
3 | CL 125FF | ★66-553 | ★66-554 | ★66-555 |
4 | CL 125FF | ★66-556 | ★66-557 |
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自2009年专注燃气设备至今...
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