可使聚合物被反压回到进口。为便于安装，制造商设计了一个环形螺栓安装面，以使与其它设备的法兰安装相配合，这使得筒形法兰的制造更容易。
MAP-160 20压力继电器 MAP-160 20
MAP-160E 20压力继电器 MAP-160E 20
MAP-320 20压力继电器 MAP-320 20
MAP-320E压力继电器 MAP-320E
MAP-630压力继电器 MAP-630
QVHZO-A-0612 20流量阀 QVHMR450E-N2C1N1C1N
MR450E-P1B2N1T1N
MR450E-P1E1N1N1N
MR450E-P1M1N1N1N
MR450E-P1N1N1C1N
MR450E-P1N1N1N1N
MR450E-P1N1N1N1N
MR450E-P1N1N1N1NX
MR450E-P1N1N1T1N
MR450E-P1N1N1T1S
MR450E-P1Q1N1N1N
MR450E-P1Q1V1N1N
MR450E-P2N1F1C1NZO-A-0612 20压力流量阀 QVHZO-A-0612 20
QVHZO-A-0618流量阀 QVHZO-A-0618压力流量阀 QVHZO-A-0618
QVHZO-A-063流量阀 QVHZO-A-063压力流量阀 QVHZO-A-063
QVHZO-A-0636流量阀 QVHZO-A-0636压力流量阀 QVHZO-A-0636
QVHZO-A-0645流量阀 QVHZO-A-0645压力流量阀 QVHZO-A-0645
QVHZO-AE-063I 10流量阀 QVHZO-AE-063I T6E-072-1R00-A1M
T6CM-B03-1R00-C1
T6E066-1L02A
T2SC-014-1R00-A1
T6DCL06-C1
T6DCL04-C1
T6DCR00-B1
T6DCR00-B1
T6DCR00-B1
T6CCR10-C-100
T6CCR01-C111
T6DCR00-B1
T6DCR00-B1
T6DCM-B42-B06-3R-13-C
T6DCM-B35-B22-3R11-C1-M7
T6DCM-B42-B06-3R-13-C
T6DCM-B35-B22-3R11-C1-M7
T6DCM-B45-B22-3R00-C1
T67CB-B10-B05-1R01-A
T6EDR03-B1-J224
T7EB-062-B03-5R00-A1M1
T6ECR00-B1 10压力流量阀 QVHZO-AE-063I 10
QVHZO-AE-0645I流量阀 QVHZO-AE-0645I压力流量阀 QVHZO-AE-0645I
QVHZO-T-0612 31流量阀 QVHZO-T-0612 31压力流量阀 QVHZO-T-0612 31
QVHZO-T-063 31WG流量阀 QVHZO-T-063 31WG压力流量阀 QVHZO-T-063 31WG
QVHZO-TE-0618 40流量阀 QVHZO-TE-0618 40压力流量阀 QVHZO-TE-0618 40
QVHZO-TEnbsp;40流量阀 QVHZO-TEnbsp;40压力流量阀 QVHZO-TEnbsp;40
QVHZO-TE-063 40流量阀 QVHZO-TE-063 40压力流量阀 QVHZO-TE-063 40
QVKMZOR-A流量阀 QVKMZOR-A压力流量阀 QVKMZOR-A
QVKZOR-A-1065流量阀 QVKZOR-A-1065压力流量阀 QVKZOR-A-1065
QVKZOR-AE-1090 10流量阀 QVKZOR-AE-1090 10压力流量阀 QVKZOR-AE-1090 10
QVKZOR-AES-BC-1065 10流量阀 QVKZOR-AES-BC-1065 10压力流量阀 QVKZOR-AES-BC-1065 10
QVKZOR-T-1065流量阀 QVKZOR-T-1065压力流量阀 QVKZOR-T-1065