手動方型插板閥產品概述
螺旋閘門是一種粉料、晶粒料、顆粒料及小塊物料的流量或輸送量的主要控制設備，廣泛應用于礦山、糧食等行業控制流量變化或迅速切斷（特殊直徑≤50mm）。
技術參數范圍
公稱通徑：200×200~1000×1000
適用溫度：-10~+200℃
連接法蘭：GB/T9113、JB/T79
主體材料：WCB、Q235A、304、316、304L、316L
密封型式：硬密封、軟密封
配套附件：安裝法蘭
注：可來圖來樣定作非標的螺旋閘門
Product introduction
Square Knife gate valve Screw valve is a kind of primary device for controlling flow or flow rate of powder,grain,partcle,ａnd small piece material.It is widely used for such sectors including mining,grain,etc.For regulating flow or cutting rapidly(special material diameter=50).
Technical Parameter Range
Nominal diameter:200×200、....、1000×1000
Suitable temperature:-10~+200℃
Flange drilling:GB/T9113、JB/T79
Main materials:WCB、Q235A、304、316、304L、316L
Seal type:硬密封、軟密封
Accessories:Flange
Note: Non-standard screw gate valve could be customized based on drawing or sample.

主要外形及連接尺寸Profile and connection dimension				單位Unit:mm
類別Category	A×A	B×B	C×C	L	H	Do	n-d
單向 One-way	200×200	256×256	296×296	100	820	300	8-φ12
	250×250	306×306	346×346	100	930	340	8-φ14
	300×300	356×356	396×396	100	1050	380	8-φ14
	400×400	456×456	496×496	100	1140	445	12-φ14
	450×450	510×510	556×556	120	1450	530	12-φ18
	500×500	560×560	606×606	120	1610	580	16-φ18
雙向 Two-way	600×600	660×660	706×706	120	1830	450	16-φ18
	700×700	770×770	820×820	140	2130	450	20-φ18
	800×800	870×870	920×920	140	2440	450	20-φ18
	900×900	974×974	1030×1030	160	2660	450	24-φ23
	1000×1000	1074×1074	1130×1130	160	2870	450	24-φ23
說明 Specification	LMD-單向 LMD one-way	I-手輪 I hａnd wheel	鏈條節數M=0.105×-113（×是絲桿中心離地面高度）距地面小于1.7米用于手輪大于1.7米用鏈輪 Number of chain nodes M=0.105×-113 (×means the distance of lead screw center from surface);use hａnd wheel if the height is less than 1.7m;use chain wheel if the height is more than 1.7m.
	LMD-雙向 LMD two-way	II-鏈條 II chain