positive flow shut-off rating

Russian translation: *

06:51 Dec 8, 2019

English to Russian translations [PRO]
Tech/Engineering - Other

English term or phrase: positive flow shut-off rating

Оборудование компании Woodward

The valve minimizes the moving parts within the fuel metering element, actuator rotor, and redundant position feedback resolvers to maximize accuracy over the entire operating range.
Available actuator torque has been increased to provide more robust performance in the harshest conditions.
Accurate flow versus input signal characteristics are achieved on each valve version by precision forming of the valve metering port, the use of extended valve travels, and high precision resolvers for valve position feedback.
The GS valves can achieve flow turn-down ratios in excess of 100 to 1.
The positive flow shut-off rating meets the requirements of ANSI B16.5 Class IV across all valve sizes and ports.
The valve driver and wiring terminal box are integral with the valve assembly, eliminating interconnecting wiring, reducing package size requirements, and lowering the installed cost.
The on-board driver can be interfaced to the turbine control via redundant 4–20 mA input and feedback signals or through redundant CANopen control networks.
The GS-Series can be configured to accept both the 4–20 mA signal and CANopen command in a redundant configuration.
With this arrangement, if either demand signal fails, the driver will switch to the healthy input demand signal.
The valve driver operates with a 90-140 VDC power supply.

Alexander Semenov KudoZ activity Questions: 483 (18 open) (1 without valid answers) (43 closed without grading) Answers: 0
Local time: 13:58

Russian translation:*

Explanation:
норма герметичности затвора при отсечке напорного потока (положительного расхода, напорного течения)
http://docs.cntd.ru/document/1200122470
Допускается запись: "Класс герметичности затвора - "III" по IEC 60534".
http://gost-snip.su/download/1ansi_fci_70_2_2006_control_val...
This standard, formerly known as ASME B16.104, was originally adopted on November 24,
1970 as FCI 70-2.
2.3 This standard is similar to IEC 60534-4, except
that no provision is made for Class IV-S1 and the
standard is applicable for valves with a Cv value less
than 0.1.

Selected response from:

hawkwind
Russian Federation
Local time: 21:58

Grading comment

4 KudoZ points were awarded for this answer

Summary of answers provided

3 +2

hawkwind

номинальная отсечка напорного течения

mk_lab

Discussion entries: 1

Answers

45 mins confidence:

номинальная отсечка напорного течения

Explanation:
номинальное значение отсечки напорного/принудительного течения

mk_lab
Ukraine
Local time: 14:58
Native speaker of:

Russian,

Ukrainian
PRO pts in category: 20

1 hr confidence:

peer agreement (net): +2

hawkwind
Russian Federation
Local time: 21:58
Specializes in field
Native speaker of:

Russian
PRO pts in category: 215

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