风量调节阀

SNRD 为重力风阀：气流推开叶片，停风或反向时叶片自行落回关闭。

W 200–1600 × H 200–1600 mm · calculated, not tested

SPRD 为带配重的自由叶片风阀：压差超过设定值时开启，压差降低时关闭。

W 200–1200 × H 350–2000 mm · calculated, not tested

SVCD 是用于低压 HVAC 系统的风量调节阀。叶片可在平衡后锁定角度，或由执行器驱动。

W 100–1000 × H 100–1200 mm · VIBM 10131/VLXD-TBMT, 10132/VLXD-TBMT (10/10/2017), BS EN 1751:1999 – casing Class A, closed blade Class 1

SVCD-MP 与 SVCD-HP 采用相同的带密封 V 型扣接叶片结构，区别在于壳体和叶片板厚。

W 200–5100 × H 200–2000 mm · Starduct in-house lab, ANSI/AMCA 500-D-18 method, 914x914 (P-06150), 2 runs 10/2026, report no. pending QA – closed-blade leakage 57–63 % of the AMCA 511 table Class 2 limit at 250–1500 Pa (not AMCA certified); casing leakage, Cd pending; pressure drop vs blade angle 0–80° calculated by CFD (damper@6, not tested)

SVCD-MP 与 SVCD-HP 采用相同的带密封 V 型扣接叶片结构，区别在于壳体和叶片板厚。

W 200–5100 × H 200–2000 mm · calculated, not tested – closed-blade leakage derived from the in-house SVCD-HP 914x914 test (seal-length scaling); pressure drop vs blade angle calculated by CFD (damper@6, not tested)

SVCD-T 是单叶片圆形 VCD，直接安装于圆形风管或软管接口。

Ø 100–500 mm · calculated, not tested