Emerson Y690A Datasheet download pdf (Page 14)

Bulletin 74.1:Y690A

Ordering Information

When ordering, specify:

Application

1. Type of gas being controlled (nitrogen, fuel gas,

etc.); list any factors such as impurities in the

gas that may affect compatibility of the gas with the

regulator trim parts.

2. Specic gravity of the gas

3. Temperature of the gas

4. Range of owing inlet pressures to regulator

5. Flow rates

a) Minimum controlled ow

b) Normal ow

c) Maximum ow

6. Line size and end connection size of adjacent

piping. Adjacent downstream piping must be the

same size as the regulator body or longer.

7. Vessel size

Construction

Carefully review the Specications section, then

specify the desired selection on the Ordering Guide

on the following page. If a pilot setpoint is not

requested, the regulator will be factory set at the

approximate midrange.

Figure 5. Dimensions

BODY SIZE,

NPS (DN)

A B D F G

Ductile

Iron

Stainless

Steel

Ductile

Iron

Stainless

Steel

Ductile

Iron

Stainless

Steel

Ductile

Iron

Stainless

Steel

Ductile

Iron

Stainless

Steel

3/4, 1 (20, 25) 4.0 (102) 4.12 (105) 2.12 (54) 2.25 (57) 6.19 (157) 6.19 (157) 10.12 (257) 10.12 (257) 1.53 (39) 1.53 (39)

INCHES

(mm)

(356)

FLANGED

5.56

(141)

NPT

SWE

1/4 NPT VENT

8.38

(213)

1/2 NPT

CONTROL LINE

CONNECTION

1 2 ... 9 10 11 12 13 14 15 16

Bulletin 74.1:Y690A 1

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Emerson Y690A Datasheet Page 14

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