Emerson 630R Datasheet download pdf (Page 3)

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Bulletin 71.4:630R

Figure 2. Type 630R Relief Valve Operational Schematic

A6674

Table 1. Relief Set Pressure Ranges

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 

  I  I 

Low-Pressure

3 to 8 0.21 to 0.55 0W019227022 Red 0.225 5.71

6 152

6 to 17 0.41 to 1.2 0W019127022 Olive Drab 0.281 7.14

15 to 22 1.0 to 1.5 0W019027022 Unpainted 0.337 8.56

20 to 35 1.4 to 2.4 0Y066427022 Green Stripe 0.363 9.22

35 to 50 2.4 to 3.4 1J146927142 Blue Stripe 0.375 9.52 6.19 157

High-Pressure

30 to 70 2.1 to 4.8 0W019127022 Olive Drab 0.281 7.14

6 15250 to 95 3.4 to 6.6 0W019027022 Unpainted 0.337 8.56

75 to 175 5.2 to 12.1 0Y066427022 Green Stripe 0.363 9.22

150 to 250 10.3 to 17.2 1J146927142 Blue Stripe 0.375 9.52 6.19 157

1 2 3 4 5 6 7 8

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Emerson 630R Datasheet Page 3