Emerson Y696 Arkusz Danych Pobierz pdf (Strona 7)

Bulletin 74.2:Y696

Figure 4. Dimensions

INCHES

(mm)

To determine regulating capacities at pressure settings not

given or to determine wide-open ow capacities, use the

following formula:

Q = C

SIN

520

3417

∆P

DEG

)

where:

Q = gas ow rate, SCFH

= gas sizing coefcient

= absolute inlet pressure, psia

G = specic gravity of the gas

T = absolute temperature of gas at inlet, °Rankine

= ow coefcient

∆P = pressure drop across the regulator, psi

Installation

Install the regulator using a straight run of pipe the same

size as or larger than the regulator body. Flow through the

regulator body is indicated by the ow arrow cast, stamped

or riveted on the body. If a block valve is required, install

a full ow valve between the regulator and the blanketed

vessel. For proper operation at low setpoint ranges, the

Type Y696 regulators should be installed with the spring

case barrel pointed down.

Ordering Information

Carefully review each specication and complete the

Ordering Guide. To ensure ordering accuracy, please

complete the Specications Worksheet on the last page.

STEEL OR STAINLESS STEEL

3/4 NPT VENT

CAST IRON

1/4 NPT VENT

CONNECTION

TYPE Y602

VENT

GAUGE TAP

1/4 NPT

17.44

(443)

10.38

(264)

2.25

(57)

2.94

(75)

14.00

(356)

5.88

(149)

7.00

(178)

8.94

(227)

5.19

(132)

11.88

(302)

7.06

(179)

- continued -

Ordering Guide

Body Size (Select One)

 NPS 1-1/2 (DN 40)

 NPS 2 (DN 50)

Body Material and End Connection Style (Select One)

Cast Iron Hastelloy

 NPT***  NPT*

  CL150 RF*

 CL300 RF*

WCC Steel CF8M Stainless Steel

 NPT***  NPT**

 CL150 RF**  CL150 RF**

 CL300 RF**  CL300 RF**

 PN 16/25/40*  PN 16/25/40*

Spring Case Material (Select One)

 Cast iron***

 WCC Steel***

 CF8M Stainless steel**

Diaphragm Case Material (Select One)

 Cast iron***

 WCC Steel***

 CF8M Stainless steel**

 Hastelloy

Trim Material (Select One)

 303 Stainless steel***

 316 Stainless steel (not available with

Ethylenepropylene (EPDM))**

 Hastelloy

C (only available with PTFE)*

1 2 3 4 5 6 7 8

Bulletin 74.2:Y696 1

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