Cla-Val 850-20 - Manual (Page 9)

1/2" & 3/4" PRESSURE RELIEF CONTROL
CRL
Ajusting Screw
(3/8" - 16UNF THREAD)
9
1
10
3
11
12
14
13 11
8 22 23 7
18
19
21
INLET
1/8 - 27 NPT
SENSING
CONNECTION
(TYP.)
7.44
MAX
.71
OUTLET
20
6
2
0 TO 75 AND
20 TO 200 PSI
DESIGN
5
17
16
15
4
1A
9
10
3
11
12
11
7
2
100 To 300 psi Design
.71
ADJUSTING SCREW
(1/2" 20UNF THREAD)
10.44
MAX.
When ordering parts please specify:
1. All Nameplate Data
2. Item Part Number
3. Item Description
24
4
45º
3.12
DIA.
TRUE LOCATION OF
SENSING
CONNECTION
(TYP.)
Body with
integral Seat
CLA-VAL
Copyright Cla-Val 2009 Printed in USA Specifications subject to change without notice.
P.O. Box 1325 • Newport Beach, CA 92659-0325 • Phone: 949-722-4800 • Fax: 949-548-5441 • E-mail: [email protected] • Website cla-val.com
©
PL-CRL (R-2/09)
PARTS LIST
Item Description Material Part Number Part Number Part Number Part Number
0-75 20-105 20-200 100-300
1 Cap Plastic 67628J 67628J 67628J 1257601D
1A Cap 100-300 psi Design Plastic 1257601D 1257601D 1257601D 1257601D
2 Nameplate Brass -- -- -- --
3 Cover Bronze C2544K C2544K C2544K C2544K
4* Screw Fil. Hd. 10-32 x 1.88 (Qty 8) 303 SS 6757867E 6757867E 6757867E 6757867E
5* O-Ring Rubber 00902H 00902H 00902H 00902H
6 Body, Powerunit Bronze 7920504D 7920504D 7920504D 7920504D
7 1/2” Body Bronze C7928K C7928K C7928K C7928K
3/4” Body Bronze C9083B C9083B C9083B C9083B
8* O-Ring, Seat Rubber 00718H 00718H 00718H 00718H
9 Screw, Adjusting Brass 7188201D 7188201D 7188201D 82811B
10 Nut Hex (Locking) 303 SS 6780106J 6780106J 6780106J 6780606H
11 Guide, Spring 303 SS 71881H 71881H 71881H 1630301J
12 Spring CHR/VAN 71884B 20632101E 71885J 1630201A
13 Nut, Stem Upper Bronze 73034B 73034B 73034B 73034B
14 Washer, Belleville Steel 7055007E 7055007E 7055007E 7055007E
15 Washer, Diaphragm (upper) 303 SS 71891G 71891G 71891G 71891G
16* Diaphragm Rubber C1505B C1505B C1505B C1505B
17 Washer, Diaphragm (lower) 303 SS 45871B 45871B 45871B 45871B
18* O-Ring, Stem Rubber 00746J 00746J 00746J 00746J
19 Stem 303 SS 8982041F 8982041F 8982041F 8982041F
20* O-Ring, Body Rubber 00767E 00767E 00767E 00767E
21* Retainer Assembly, Disc 303 SS C8964D C8964D C8964D C8964D
22 Seat 303 SS 62187A 62187A 62187A 62187A
23 Nut, Hex, Stem, Lower Bronze 6779806G 6779806G 6779806G 6779806G
24 Pipe Plug Bronze 6784701C 6784701C 6784701C 6784701C
FACTORY SET POINT 50 PSI 60 PSI 60 PSI 100 PSI
REPAIR KIT* 9170007A 9170007A 9170007A 9170007A
CRL
Range PSI
APPROX. INCREASE
FOR EACH
CLOCKWISE TURN OF
ADJUSTING SCREW
0 to 75 8.5 PSI
20 to 105 12.5 PSI
20 to 200 28.0 PSI
100 to 300 18.0 PSI
SIZE SPRING
PART
NUMBER
1/2” 0-75 PSI 79222-01E
1/2” 20-105 PSI 79222-05F
1/2” 20-200 PSI 79222-02C
1/2” 100-300 PSI 82809-01D
3/4” 0-75 PSI 79229-01K
3/4” 20-105 PSI 79229-03F
3/4” 20-200 PSI 79229-02H
3/4” 100-300 PSI 86005-01E
For 250-600 PSI Contact Factory