PHB 2026 Vol-1

E-110

● 재질 (계속)

번호 부품명

재질

Stainless steel Stainless steel / Nitrile Stainless steel Stainless steel Stainless steel Stainless steel Arlon 1555

BS 970 431 S29

DRV7

5 Valve head

DRV7G (soft seated)

BS 970 431 S29

Valve head screw

DN15 and DN20

BS 6105 A2

6

7 Valve head seal

DN15 and DN20 DN25 to DN100 DN25 to DN100 DN25 to DN100

8 Bush

Bush (part of item 10)

9

Balancing bellows assembly

10

Balancing bellows gasket

Reinforced exfoiliated graphite Reinforced exfoiliated graphite

11

12 Bonnet gasket

DIN 267 Pt13 Gr. 8

13 Bonnet nuts

Steel

DN15 to DN40

DIN 267 Pt13 Gr. 8.8

DN50 and DN65 DN80 and DN100

14 Bonnet studs

Steel

Steel zinc plated Steel zinc plated Cast iron zinc plated

BS 970 230 M07

15 Pillars

BS 3693 Gr. 8

16 Pillars nuts

17 Spring adjuster

DIN 1691 GG25

18 Spring(s)

Chrome Vanadium

19 Bush (part of 20)

PTFE / steel composite

Stainless steel

AISI 316(L)

20 Sealing bellows assembly

DN15 and DN20 DN25 to DN100 DN25 to DN100

Stainless steel 'S' type

DN25

Sealing bellows gasket

21

Reinforced exfoiliated graphite

Steel zinc plated

BS 970 230 M07

22 Clamp nut

주 : 10과 11의 부품은 DN25 - DN100에만 적용

TI-P204-01 / CTLS Issue 15

Page 3 of 10

DRV7, DRV7G 직동식 감압밸브 - 구상흑연주철