ALFA HI-FLOW wall penstocks are square or rectangular with resilient sealing on all four sides of the slide.
Bi-directional up to and including 1200 X 1200 and in larger sizes available as bi- and uni-directional.
Non-rising stem and closed frame designed for wall mounting

• Lower leakage rate than max. allowable in DIN 19569-4 (class 5) / AWWA C561-4: 1.20 L/min. per seatingmeter
• Frame design allows easy mounting at medium height or floor level, and for elevated or flush bottominstallation
• Self-cleaningguidesofHMWPE(highmolecularweightpolyethylene)reducethefrictionduringoperation resulting in easy operation
  and extended seal durability
• Self-adjusting “lip-design” sealing of EPDM mounted on theframe
• Frame and slide of stainless steel AISI 304 and stem of stainless steel AISI304
• All fasteners of stainless steelAISI 304
• Seal and guides bolting is completely separated from the frameanchoring
• Delivered with handwheel up to and including 1200X1200, in larger sizes withbevelgear

NO.	Name	Material
1	Frame	Stailless steel AISI 304
2	Slide	Stailless steel AISI 304
3	Guide	HMWPE
4	Slide bearing	EPDMrubber
5	Sealretainer	Stainless steelAISI 304
6	Bottomseal	EPDMrubber
7	Bottomsealretainer	Stainless steelAISI 304
8	Frameguide	Stainless steel AISI 304
9	Stem	Stainless steelAISI 304
10	Stemnut	Bronze
11	Yoke	Stailless steel AISI 304

General Ref. Nos	Size(mm)	H(mm)	H3(mm)	G(mm)	L(mm)	MWCseat(mm)	MWCunseat(mm)	W(mm)	WGT(Kg)
100-00200-00200	200-200	492	626	225	82	10	10	380	16
100-00300-00300	300-300	692	826	225	82	10	10	480	23
100-00400-00400	400-400	893	1045	310	85	10	10	580	41
100-00500-00500	500-500	1093	1245	310	85	10	10	680	52
100-00600-00600	600-600	1294	1446	310	115	10	10	780	67
100-00700-00700	700-700	1496	1648	310	115	10	10	880	80
100-00800-00800	800-800	1696	1848	310	125	10	10	980	96
100-00900-00900	900-900	1976	2143	410	136	10	10	1100	147
100-01000-01000	1000-1000	2176	2343	410	136	10	10	1200	168
100-01100-01100	1100-1100	2389	2671	300	136	6	6	1300	209
100-01200-01200	1200-1200	2589	2871	300	136	6	6	1400	1242
※ Above sizes & rectangular design upon request.