|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/5157 ; 137/5274 ; 137/5278|
|발명자 / 주소|
|인용정보||피인용 횟수 : 2 인용 특허 : 5|
A swing check valve having a readily replaceable valve seat and having a cage surrounding the disc in the final closing movement of the disc sized to guide the disc evenly onto the seat.
A swing check valve, comprising: a tubular valve body; a replaceable valve seat secured in the valve body having a seating face extending normal to the axis of the valve body; a substantially round valve disc in the valve body having a seating face sized to engage the seating face of the seat and having a hinge pin thereon extending parallel with the seating face thereof; hanger means in the valve body for pivotally supporting the hinge pin of the disc where the disc can move a limited extent toward and away from the valve seat along the axis of the valv...