PHB 2026 Vol-1

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E-25

• 재질 - DP27, DP27Y (계속)

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17

19

18 20

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번호 부품명

재질

17 Pilot filter element

Brass

18 Internal st ra iner

Stainless steel

ASTM A240 TP 304

19 Bod yg asket

Stainless steel reinforced exfoliated g raphite

20 Main valve return sprin g

Stainless steel

BS 2056 302 S26

21

Main valve

Stainless steel Stainless steel

BS 970 431 S29 BS 970 431 S29 BS 2871 C 106 ½H DIN 1693 GGG 40.3

22 Main valve seat

23 Balance pipe assembl y

Copper SG iron

24 Main valve bod y

Securin g nuts

Steel Steel

BS 3692Gr. 8

BS 4439 Gr. 8.8 M10x25 mm M12x30mm

25 Main bod y

Securin g studs

ON15 to ON32

DN40 and DNSO

Pa g e 5 o f 16

TI-P470-01 / CTLS Issue 13

DP27, DP27E, DP27G, DP27GY, DP27R, DP27Y 파이로트식 감압밸브 - 구상흑연주철