Pneumatic valve iron gate design standard and scope of application

iron brake pneumatic valve material design standards and the applicable scope table



category standard code serial number standard name

scope



nominal diameter/mm nominal pressure or pressure levels




grey cast iron,
malleable iron
GB/T -
general pneumatic valve pneumatic valve flange connection iron gate ~

. ~。 MPa general



ISO - Pneumatic valve

casting anchorman ~
. ~。 MPa


ISO-
mainly by wrench operation of underground cast anchorman pneumatic valve ~

. ~。 MPa




the API for gray cast iron
flange cast anchorman pneumatic valve
~
CL,
petroleum, petrochemical industry,


MSS - SP- -
flange and threaded end cast anchorman pneumatic valve thread flange ~

~
CL, and general



BS -
gm wedge single or double ram disc casting anchorman pneumatic valve
~
. ~。 MPa


BS-
general cast iron ( Parallel brake pneumatic valve) Pneumatic valve gate
~
. ~。 MPa


JISB- Pneumatic valve

grey cast iron brake ~

K, K

JISB -
channel with parallel single disc brake pneumatic valve
~
the highest pressure. MPa


JPI- S - -
flange connection thread lock on cast iron pneumatic valve ~


type CL petroleum, petrochemical industry,


JISB -
。 MPa pneumatic valve flange cast iron non-rising stem gate ~


K gm


JISB -
。 MPa pneumatic valve flange cast iron stem gate K
~




malleable iron
JISB -
。 MPa threaded malleable anchorman pneumatic valve K
~



GB/T -
flange cast anchorman pneumatic valve
~
. ~。 MPa


API-
flange connection ductile casting anchorman pneumatic valve ~

CL,
petroleum, petrochemical industry,


BS -

pneumatic water supply system with gate valve ~
. ~。 MPa
urban construction of clean water or sewage




iron brake pneumatic valve design standard table

name

structure form applicable design standards


cast iron pneumatic valve
stem gate, flow channel: direct
with pneumatic valve, pneumatic valve body cover connection: flange,
end connection: flange (plane FF） Or convex flange, usually a plane flange
, ram: wedge single ram
JISB -
GB / T -
b -
JISB-
JPI- S - -
MSS - SP- -


cast iron pneumatic valve
non-rising stem gate, flow channel: direct
with pneumatic valve, pneumatic valve body cover connection: flange,
end connection: flange (plane FF） Or convex flange, usually a plane flange
, ram: wedge single ram
( Pneumatic valve lever lifting)
JISB-
GB / T -
b -
JISB-
JISB-
API-


threaded non-rising stem gate:
pneumatic valve, flow path through the
connection with pneumatic valve, pneumatic valve body cover: internal thread:
, connecting end thread
, ram: single wedge brake pneumatic valve
JISB -
JISB-



American cast anchorman pneumatic valve, a rising stem and the non-rising stem two
,
single seal API -
MSS - SP- -



pneumatic soft sealing gate valve, pneumatic valve, pneumatic valve body channel bottom round, like a pipe,
no deposit dirt, ram: gate seal coating rubber
, pneumatic valve body and bonnet joint:
stainless steel bolt connection, control mode: manual, chain wheel drive, gear drive, electric
: flange size: BS -
b -




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