PHB 2026 Vol-1

s pi '%arco

A-59

•구경및배관연결방법

이외에가능한선택사양 Bu tt weld Socke t weld J IS/KS 30, 」|S/KS 40

DN15, DN20, DN25, DN32, DN40, DNSO ½", ¾", 1", 1¼", 1½", 2" 플랜지식 EN 1092 PN40, PN63, PN100플 랜지식 ASME 300, ASME 600

이외의 연결 방법은스파이렉스사코에 문의한다.

•재질 번호 부품명

재질

번호 부품명

재질

Carbon S t eel S t a i nless S t eel

17 Nu t

Carbon S t eel Carbon S t eel

BBV4 BBV6 BBV8

Bod y

18 U pp er hous i n g

Allo y S t eel

19 D i a p hra g m

Re i n fo rced NBR

Plu g Sea t

Re i n fo rced Gra p h it e

S t a i nless S t eel + s t ell it e S t a i nless S t eel + s t ell it e

20 Gaske t

2 3 4 5

Ven t p lu g

21

Brass

Sea t g aske t Sea t re t a i ner

Re i n fo rced ex fo l i a t ed g ra p h it e

22 Bol t

Carbon S t eel

23 D i a p hra g m p la t e

S t a i nless S t eel Carbon S t eel S t a i nless S t eel

Alum i n i um

24 S pi ndle

S t a i nless S t eel S t a i nless S t eel Carbon S t eel Pol y ure t hane

BBV4 BBV6 BBV8

25 Lever s t em

6

Cover

Allo y S t eel

26 Screw

BBV__P PTFE

27 Seal

Pack i n g

7

28 S p r i n g

S p r i n g S t eel

BBV__H Gra p h it e

Cover g aske t

Re i n fo rced ex fo l i a t ed g ra p h it e

29 S p r i n g g u i de 30 Connec t or

S t a i nless S t eel S t a i nless S t eel

8

BBV__H S t a i nless S t eel

Bonne t nu t s

BBV6 O t her

9

Lever

31

SG Iron

Carbon S t eel

S t a i nless S t eel S t a i nless S t eel S p r i n g S t eel Carbon S t eel Carbon S t eel Carbon S t eel

32 Ax i s 33 Roller

BBV__H S t a i nless S t eel

34 S p r i n g g ra p h it e

10 Bonne t s t uds

BBV6 O t her BBV6 O t her

35 Elas ti c ri n g 36 Elas ti c ri n g

Carbon S t eel S t a i nless S t eel Carbon S t eel S t a i nless S t eel

11 Ac t ua t or clam p nu t 12 Gland nu t 13 Scra p er r i n g 14 Yoke 15 Closed p la t e 16 Hex. head screw

37 Washer 38 O'r i n g 39 S p acer 40 Washer

V1 t on

Carbon S t eel Carbon S t eel

PTFE

SG Iron

S t a i nless S t eel Carbon S t eel

Plas ti c p ro t ec ti on

Plas ti c

41

S t a i nless S t eel

42 Screw

•Kvs값

DN15

DN20

DN25

DN32

DN40

DN50 25 18

밸브구경 시트적경(mm) Kvs값

22

22 7.2

22 10

25 18

25 18

4.9

Cv(UK)=Kvx0.963 Cv(US)=Kvx1.156

Pa g e 2 o f 17

TI-P405-51 / AB Issue 4

BBV자동/수동보일러하부블로우다운밸브 DN15~DNSO